20120497920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:708

約数の個数: 432

約数和(自身を含む): 72690788352

約数和(自身を除く): 52570290432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 103, 120, 124, 128, 144, 155, 160, 180, 186, 192, 206, 240, 248, 256, 279, 288, 309, 310, 320, 360, 372, 384, 412, 465, 480, 496, 515, 547, 558, 576, 618, 620, 640, 720, 744, 768, 824, 927, 930, 960, 992, 1030, 1094, 1116, 1152, 1236, 1240, 1280, 1395, 1440, 1488, 1545, 1641, 1648, 1854, 1860, 1920, 1984, 2060, 2188, 2232, 2304, 2472, 2480, 2735, 2790, 2880, 2976, 3090, 3193, 3282, 3296, 3708, 3720, 3840, 3968, 4120, 4376, 4464, 4635, 4923, 4944, 4960, 5470, 5580, 5760, 5952, 6180, 6386, 6564, 6592, 7416, 7440, 7936, 8205, 8240, 8752, 8928, 9270, 9579, 9846, 9888, 9920, 10940, 11160, 11520, 11904, 12360, 12772, 13128, 13184, 14832, 14880, 15965, 16410, 16480, 16957, 17504, 17856, 18540, 19158, 19692, 19776, 19840, 21880, 22320, 23808, 24615, 24720, 25544, 26256, 26368, 28737, 29664, 29760, 31930, 32820, 32960, 33914, 35008, 35712, 37080, 38316, 39384, 39552, 39680, 43760, 44640, 47895, 49230, 49440, 50871, 51088, 52512, 56341, 57474, 59328, 59520, 63860, 65640, 65920, 67828, 70016, 71424, 74160, 76632, 78768, 79104, 84785, 87520, 89280, 95790, 98460, 98880, 101742, 102176, 105024, 112682, 114948, 118656, 119040, 127720, 131280, 131840, 135656, 140032, 143685, 148320, 152613, 153264, 157536, 169023, 169570, 175040, 178560, 191580, 196920, 197760, 203484, 204352, 210048, 225364, 229896, 237312, 254355, 255440, 262560, 271312, 281705, 287370, 296640, 305226, 306528, 315072, 338046, 339140, 350080, 357120, 383160, 393840, 395520, 406968, 408704, 420096, 450728, 459792, 507069, 508710, 510880, 525120, 542624, 563410, 574740, 593280, 610452, 613056, 630144, 676092, 678280, 700160, 763065, 766320, 787680, 813936, 817408, 845115, 901456, 919584, 1014138, 1017420, 1021760, 1050240, 1085248, 1126820, 1149480, 1186560, 1220904, 1226112, 1260288, 1352184, 1356560, 1526130, 1532640, 1575360, 1627872, 1690230, 1746571, 1802912, 1839168, 2028276, 2034840, 2043520, 2100480, 2170496, 2253640, 2298960, 2441808, 2452224, 2535345, 2704368, 2713120, 3052260, 3065280, 3150720, 3255744, 3380460, 3493142, 3605824, 3678336, 4056552, 4069680, 4087040, 4340992, 4507280, 4597920, 4883616, 5070690, 5239713, 5408736, 5426240, 6104520, 6130560, 6301440, 6511488, 6760920, 6986284, 7211648, 7356672, 8113104, 8139360, 8732855, 9014560, 9195840, 9767232, 10141380, 10479426, 10817472, 10852480, 12209040, 12261120, 13022976, 13521840, 13972568, 14423296, 15719139, 16226208, 16278720, 17465710, 18029120, 18391680, 19534464, 20282760, 20958852, 21634944, 21704960, 24418080, 26198565, 27043680, 27945136, 31438278, 32452416, 32557440, 34931420, 36058240, 36783360, 39068928, 40565520, 41917704, 43269888, 48836160, 52397130, 54087360, 55890272, 62876556, 64904832, 65114880, 69862840, 72116480, 78595695, 81131040, 83835408, 97672320, 104794260, 108174720, 111780544, 125753112, 129809664, 139725680, 157191390, 162262080, 167670816, 195344640, 209588520, 216349440, 223561088, 251506224, 279451360, 314382780, 324524160, 335341632, 419177040, 447122176, 503012448, 558902720, 628765560, 649048320, 670683264, 838354080, 1006024896, 1117805440, 1257531120, 1341366528, 1676708160, 2012049792, 2235610880, 2515062240, 3353416320, 4024099584, 5030124480, 6706832640, 10060248960, 20120497920]

約数ペア:

[(1, 20120497920), (2, 10060248960), (3, 6706832640), (4, 5030124480), (5, 4024099584), (6, 3353416320), (8, 2515062240), (9, 2235610880), (10, 2012049792), (12, 1676708160), (15, 1341366528), (16, 1257531120), (18, 1117805440), (20, 1006024896), (24, 838354080), (30, 670683264), (31, 649048320), (32, 628765560), (36, 558902720), (40, 503012448), (45, 447122176), (48, 419177040), (60, 335341632), (62, 324524160), (64, 314382780), (72, 279451360), (80, 251506224), (90, 223561088), (93, 216349440), (96, 209588520), (103, 195344640), (120, 167670816), (124, 162262080), (128, 157191390), (144, 139725680), (155, 129809664), (160, 125753112), (180, 111780544), (186, 108174720), (192, 104794260), (206, 97672320), (240, 83835408), (248, 81131040), (256, 78595695), (279, 72116480), (288, 69862840), (309, 65114880), (310, 64904832), (320, 62876556), (360, 55890272), (372, 54087360), (384, 52397130), (412, 48836160), (465, 43269888), (480, 41917704), (496, 40565520), (515, 39068928), (547, 36783360), (558, 36058240), (576, 34931420), (618, 32557440), (620, 32452416), (640, 31438278), (720, 27945136), (744, 27043680), (768, 26198565), (824, 24418080), (927, 21704960), (930, 21634944), (960, 20958852), (992, 20282760), (1030, 19534464), (1094, 18391680), (1116, 18029120), (1152, 17465710), (1236, 16278720), (1240, 16226208), (1280, 15719139), (1395, 14423296), (1440, 13972568), (1488, 13521840), (1545, 13022976), (1641, 12261120), (1648, 12209040), (1854, 10852480), (1860, 10817472), (1920, 10479426), (1984, 10141380), (2060, 9767232), (2188, 9195840), (2232, 9014560), (2304, 8732855), (2472, 8139360), (2480, 8113104), (2735, 7356672), (2790, 7211648), (2880, 6986284), (2976, 6760920), (3090, 6511488), (3193, 6301440), (3282, 6130560), (3296, 6104520), (3708, 5426240), (3720, 5408736), (3840, 5239713), (3968, 5070690), (4120, 4883616), (4376, 4597920), (4464, 4507280), (4635, 4340992), (4923, 4087040), (4944, 4069680), (4960, 4056552), (5470, 3678336), (5580, 3605824), (5760, 3493142), (5952, 3380460), (6180, 3255744), (6386, 3150720), (6564, 3065280), (6592, 3052260), (7416, 2713120), (7440, 2704368), (7936, 2535345), (8205, 2452224), (8240, 2441808), (8752, 2298960), (8928, 2253640), (9270, 2170496), (9579, 2100480), (9846, 2043520), (9888, 2034840), (9920, 2028276), (10940, 1839168), (11160, 1802912), (11520, 1746571), (11904, 1690230), (12360, 1627872), (12772, 1575360), (13128, 1532640), (13184, 1526130), (14832, 1356560), (14880, 1352184), (15965, 1260288), (16410, 1226112), (16480, 1220904), (16957, 1186560), (17504, 1149480), (17856, 1126820), (18540, 1085248), (19158, 1050240), (19692, 1021760), (19776, 1017420), (19840, 1014138), (21880, 919584), (22320, 901456), (23808, 845115), (24615, 817408), (24720, 813936), (25544, 787680), (26256, 766320), (26368, 763065), (28737, 700160), (29664, 678280), (29760, 676092), (31930, 630144), (32820, 613056), (32960, 610452), (33914, 593280), (35008, 574740), (35712, 563410), (37080, 542624), (38316, 525120), (39384, 510880), (39552, 508710), (39680, 507069), (43760, 459792), (44640, 450728), (47895, 420096), (49230, 408704), (49440, 406968), (50871, 395520), (51088, 393840), (52512, 383160), (56341, 357120), (57474, 350080), (59328, 339140), (59520, 338046), (63860, 315072), (65640, 306528), (65920, 305226), (67828, 296640), (70016, 287370), (71424, 281705), (74160, 271312), (76632, 262560), (78768, 255440), (79104, 254355), (84785, 237312), (87520, 229896), (89280, 225364), (95790, 210048), (98460, 204352), (98880, 203484), (101742, 197760), (102176, 196920), (105024, 191580), (112682, 178560), (114948, 175040), (118656, 169570), (119040, 169023), (127720, 157536), (131280, 153264), (131840, 152613), (135656, 148320), (140032, 143685)]