20121507360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{2113}}^1$

素因数の和:2540

約数の個数: 288

約数和(自身を含む): 72925135920

約数和(自身を除く): 52803628560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 389, 408, 480, 510, 544, 612, 680, 720, 765, 778, 816, 1020, 1167, 1224, 1360, 1440, 1530, 1556, 1632, 1945, 2040, 2113, 2334, 2448, 2720, 3060, 3112, 3501, 3890, 4080, 4226, 4668, 4896, 5835, 6120, 6224, 6339, 6613, 7002, 7780, 8160, 8452, 9336, 10565, 11670, 12240, 12448, 12678, 13226, 14004, 15560, 16904, 17505, 18672, 19017, 19839, 21130, 23340, 24480, 25356, 26452, 28008, 31120, 31695, 33065, 33808, 35010, 35921, 37344, 38034, 39678, 42260, 46680, 50712, 52904, 56016, 59517, 62240, 63390, 66130, 67616, 70020, 71842, 76068, 79356, 84520, 93360, 95085, 99195, 101424, 105808, 107763, 112032, 119034, 126780, 132260, 140040, 143684, 152136, 158712, 169040, 179605, 186720, 190170, 198390, 202848, 211616, 215526, 238068, 253560, 264520, 280080, 287368, 297585, 304272, 317424, 323289, 338080, 359210, 380340, 396780, 431052, 476136, 507120, 529040, 538815, 560160, 574736, 595170, 608544, 634848, 646578, 718420, 760680, 793560, 821957, 862104, 952272, 1014240, 1058080, 1077630, 1149472, 1190340, 1293156, 1436840, 1521360, 1587120, 1616445, 1643914, 1724208, 1904544, 2155260, 2380680, 2465871, 2586312, 2873680, 3042720, 3174240, 3232890, 3287828, 3448416, 4109785, 4310520, 4761360, 4931742, 5172624, 5747360, 6465780, 6575656, 7397613, 8219570, 8621040, 9522720, 9863484, 10345248, 12329355, 12931560, 13151312, 13973269, 14795226, 16439140, 17242080, 19726968, 24658710, 25863120, 26302624, 27946538, 29590452, 32878280, 36988065, 39453936, 41919807, 49317420, 51726240, 55893076, 59180904, 65756560, 69866345, 73976130, 78907872, 83839614, 98634840, 111786152, 118361808, 125759421, 131513120, 139732690, 147952260, 167679228, 197269680, 209599035, 223572304, 236723616, 251518842, 279465380, 295904520, 335358456, 394539360, 419198070, 447144608, 503037684, 558930760, 591809040, 628797105, 670716912, 838396140, 1006075368, 1117861520, 1183618080, 1257594210, 1341433824, 1676792280, 2012150736, 2235723040, 2515188420, 3353584560, 4024301472, 5030376840, 6707169120, 10060753680, 20121507360]

約数ペア:

[(1, 20121507360), (2, 10060753680), (3, 6707169120), (4, 5030376840), (5, 4024301472), (6, 3353584560), (8, 2515188420), (9, 2235723040), (10, 2012150736), (12, 1676792280), (15, 1341433824), (16, 1257594210), (17, 1183618080), (18, 1117861520), (20, 1006075368), (24, 838396140), (30, 670716912), (32, 628797105), (34, 591809040), (36, 558930760), (40, 503037684), (45, 447144608), (48, 419198070), (51, 394539360), (60, 335358456), (68, 295904520), (72, 279465380), (80, 251518842), (85, 236723616), (90, 223572304), (96, 209599035), (102, 197269680), (120, 167679228), (136, 147952260), (144, 139732690), (153, 131513120), (160, 125759421), (170, 118361808), (180, 111786152), (204, 98634840), (240, 83839614), (255, 78907872), (272, 73976130), (288, 69866345), (306, 65756560), (340, 59180904), (360, 55893076), (389, 51726240), (408, 49317420), (480, 41919807), (510, 39453936), (544, 36988065), (612, 32878280), (680, 29590452), (720, 27946538), (765, 26302624), (778, 25863120), (816, 24658710), (1020, 19726968), (1167, 17242080), (1224, 16439140), (1360, 14795226), (1440, 13973269), (1530, 13151312), (1556, 12931560), (1632, 12329355), (1945, 10345248), (2040, 9863484), (2113, 9522720), (2334, 8621040), (2448, 8219570), (2720, 7397613), (3060, 6575656), (3112, 6465780), (3501, 5747360), (3890, 5172624), (4080, 4931742), (4226, 4761360), (4668, 4310520), (4896, 4109785), (5835, 3448416), (6120, 3287828), (6224, 3232890), (6339, 3174240), (6613, 3042720), (7002, 2873680), (7780, 2586312), (8160, 2465871), (8452, 2380680), (9336, 2155260), (10565, 1904544), (11670, 1724208), (12240, 1643914), (12448, 1616445), (12678, 1587120), (13226, 1521360), (14004, 1436840), (15560, 1293156), (16904, 1190340), (17505, 1149472), (18672, 1077630), (19017, 1058080), (19839, 1014240), (21130, 952272), (23340, 862104), (24480, 821957), (25356, 793560), (26452, 760680), (28008, 718420), (31120, 646578), (31695, 634848), (33065, 608544), (33808, 595170), (35010, 574736), (35921, 560160), (37344, 538815), (38034, 529040), (39678, 507120), (42260, 476136), (46680, 431052), (50712, 396780), (52904, 380340), (56016, 359210), (59517, 338080), (62240, 323289), (63390, 317424), (66130, 304272), (67616, 297585), (70020, 287368), (71842, 280080), (76068, 264520), (79356, 253560), (84520, 238068), (93360, 215526), (95085, 211616), (99195, 202848), (101424, 198390), (105808, 190170), (107763, 186720), (112032, 179605), (119034, 169040), (126780, 158712), (132260, 152136), (140040, 143684)]