1656668520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:681

約数の個数: 384

約数和(自身を含む): 6310886400

約数和(自身を除く): 4654217880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 31, 36, 38, 39, 40, 45, 52, 57, 60, 62, 65, 72, 76, 78, 90, 93, 95, 104, 114, 117, 120, 124, 130, 152, 155, 156, 171, 180, 186, 190, 195, 228, 234, 247, 248, 260, 279, 285, 310, 312, 342, 360, 372, 380, 390, 403, 456, 465, 468, 494, 520, 558, 570, 585, 589, 601, 620, 684, 741, 744, 760, 780, 806, 855, 930, 936, 988, 1116, 1140, 1170, 1178, 1202, 1209, 1235, 1240, 1368, 1395, 1482, 1560, 1612, 1710, 1767, 1803, 1860, 1976, 2015, 2223, 2232, 2280, 2340, 2356, 2404, 2418, 2470, 2790, 2945, 2964, 3005, 3224, 3420, 3534, 3606, 3627, 3705, 3720, 4030, 4446, 4680, 4712, 4808, 4836, 4940, 5301, 5409, 5580, 5890, 5928, 6010, 6045, 6840, 7068, 7212, 7254, 7410, 7657, 7813, 8060, 8835, 8892, 9015, 9672, 9880, 10602, 10818, 11115, 11160, 11419, 11780, 12020, 12090, 14136, 14424, 14508, 14820, 15314, 15626, 16120, 17670, 17784, 18030, 18135, 18631, 21204, 21636, 22230, 22838, 22971, 23439, 23560, 24040, 24180, 26505, 27045, 29016, 29640, 30628, 31252, 34257, 35340, 36060, 36270, 37262, 38285, 39065, 42408, 43272, 44460, 45676, 45942, 46878, 48360, 53010, 54090, 55893, 57095, 61256, 62504, 68514, 68913, 70317, 70680, 72120, 72540, 74524, 76570, 78130, 88920, 91352, 91884, 93155, 93756, 102771, 106020, 108180, 111786, 114190, 114855, 117195, 137028, 137826, 140634, 145080, 148447, 149048, 153140, 156260, 167679, 171285, 183768, 186310, 187512, 205542, 212040, 216360, 223572, 228380, 229710, 234390, 242203, 274056, 275652, 279465, 281268, 296894, 306280, 312520, 335358, 342570, 344565, 351585, 353989, 372620, 411084, 445341, 447144, 456760, 459420, 468780, 484406, 513855, 551304, 558930, 562536, 593788, 670716, 685140, 689130, 703170, 707978, 726609, 742235, 745240, 822168, 838395, 890682, 918840, 937560, 968812, 1027710, 1061967, 1117860, 1187576, 1211015, 1336023, 1341432, 1370280, 1378260, 1406340, 1415956, 1453218, 1484470, 1676790, 1769945, 1781364, 1937624, 2055420, 2123934, 2179827, 2226705, 2235720, 2422030, 2672046, 2756520, 2812680, 2831912, 2906436, 2968940, 3185901, 3353580, 3539890, 3562728, 3633045, 4110840, 4247868, 4359654, 4453410, 4601857, 4844060, 5309835, 5344092, 5812872, 5937880, 6371802, 6680115, 6707160, 7079780, 7266090, 8495736, 8719308, 8906820, 9203714, 9688120, 10619670, 10688184, 10899135, 12743604, 13360230, 13805571, 14159560, 14532180, 15929505, 17438616, 17813640, 18407428, 21239340, 21798270, 23009285, 25487208, 26720460, 27611142, 29064360, 31859010, 36814856, 41416713, 42478680, 43596540, 46018570, 53440920, 55222284, 63718020, 69027855, 82833426, 87193080, 92037140, 110444568, 127436040, 138055710, 165666852, 184074280, 207083565, 276111420, 331333704, 414167130, 552222840, 828334260, 1656668520]

約数ペア:

[(1, 1656668520), (2, 828334260), (3, 552222840), (4, 414167130), (5, 331333704), (6, 276111420), (8, 207083565), (9, 184074280), (10, 165666852), (12, 138055710), (13, 127436040), (15, 110444568), (18, 92037140), (19, 87193080), (20, 82833426), (24, 69027855), (26, 63718020), (30, 55222284), (31, 53440920), (36, 46018570), (38, 43596540), (39, 42478680), (40, 41416713), (45, 36814856), (52, 31859010), (57, 29064360), (60, 27611142), (62, 26720460), (65, 25487208), (72, 23009285), (76, 21798270), (78, 21239340), (90, 18407428), (93, 17813640), (95, 17438616), (104, 15929505), (114, 14532180), (117, 14159560), (120, 13805571), (124, 13360230), (130, 12743604), (152, 10899135), (155, 10688184), (156, 10619670), (171, 9688120), (180, 9203714), (186, 8906820), (190, 8719308), (195, 8495736), (228, 7266090), (234, 7079780), (247, 6707160), (248, 6680115), (260, 6371802), (279, 5937880), (285, 5812872), (310, 5344092), (312, 5309835), (342, 4844060), (360, 4601857), (372, 4453410), (380, 4359654), (390, 4247868), (403, 4110840), (456, 3633045), (465, 3562728), (468, 3539890), (494, 3353580), (520, 3185901), (558, 2968940), (570, 2906436), (585, 2831912), (589, 2812680), (601, 2756520), (620, 2672046), (684, 2422030), (741, 2235720), (744, 2226705), (760, 2179827), (780, 2123934), (806, 2055420), (855, 1937624), (930, 1781364), (936, 1769945), (988, 1676790), (1116, 1484470), (1140, 1453218), (1170, 1415956), (1178, 1406340), (1202, 1378260), (1209, 1370280), (1235, 1341432), (1240, 1336023), (1368, 1211015), (1395, 1187576), (1482, 1117860), (1560, 1061967), (1612, 1027710), (1710, 968812), (1767, 937560), (1803, 918840), (1860, 890682), (1976, 838395), (2015, 822168), (2223, 745240), (2232, 742235), (2280, 726609), (2340, 707978), (2356, 703170), (2404, 689130), (2418, 685140), (2470, 670716), (2790, 593788), (2945, 562536), (2964, 558930), (3005, 551304), (3224, 513855), (3420, 484406), (3534, 468780), (3606, 459420), (3627, 456760), (3705, 447144), (3720, 445341), (4030, 411084), (4446, 372620), (4680, 353989), (4712, 351585), (4808, 344565), (4836, 342570), (4940, 335358), (5301, 312520), (5409, 306280), (5580, 296894), (5890, 281268), (5928, 279465), (6010, 275652), (6045, 274056), (6840, 242203), (7068, 234390), (7212, 229710), (7254, 228380), (7410, 223572), (7657, 216360), (7813, 212040), (8060, 205542), (8835, 187512), (8892, 186310), (9015, 183768), (9672, 171285), (9880, 167679), (10602, 156260), (10818, 153140), (11115, 149048), (11160, 148447), (11419, 145080), (11780, 140634), (12020, 137826), (12090, 137028), (14136, 117195), (14424, 114855), (14508, 114190), (14820, 111786), (15314, 108180), (15626, 106020), (16120, 102771), (17670, 93756), (17784, 93155), (18030, 91884), (18135, 91352), (18631, 88920), (21204, 78130), (21636, 76570), (22230, 74524), (22838, 72540), (22971, 72120), (23439, 70680), (23560, 70317), (24040, 68913), (24180, 68514), (26505, 62504), (27045, 61256), (29016, 57095), (29640, 55893), (30628, 54090), (31252, 53010), (34257, 48360), (35340, 46878), (36060, 45942), (36270, 45676), (37262, 44460), (38285, 43272), (39065, 42408)]