128789726520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{222527}}^1$

素因数の和:222614

約数の個数: 256

約数和(自身を含む): 484505763840

約数和(自身を除く): 355716037320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 53, 56, 60, 65, 70, 78, 84, 91, 104, 105, 106, 120, 130, 140, 156, 159, 168, 182, 195, 210, 212, 260, 265, 273, 280, 312, 318, 364, 371, 390, 420, 424, 455, 520, 530, 546, 636, 689, 728, 742, 780, 795, 840, 910, 1060, 1092, 1113, 1272, 1365, 1378, 1484, 1560, 1590, 1820, 1855, 2067, 2120, 2184, 2226, 2730, 2756, 2968, 3180, 3445, 3640, 3710, 4134, 4452, 4823, 5460, 5512, 5565, 6360, 6890, 7420, 8268, 8904, 9646, 10335, 10920, 11130, 13780, 14469, 14840, 16536, 19292, 20670, 22260, 24115, 27560, 28938, 38584, 41340, 44520, 48230, 57876, 72345, 82680, 96460, 115752, 144690, 192920, 222527, 289380, 445054, 578760, 667581, 890108, 1112635, 1335162, 1557689, 1780216, 2225270, 2670324, 2892851, 3115378, 3337905, 4450540, 4673067, 5340648, 5785702, 6230756, 6675810, 7788445, 8678553, 8901080, 9346134, 11571404, 11793931, 12461512, 13351620, 14464255, 15576890, 17357106, 18692268, 20249957, 23142808, 23365335, 23587862, 26703240, 28928510, 31153780, 34714212, 35381793, 37384536, 40499914, 43392765, 46730670, 47175724, 57857020, 58969655, 60749871, 62307560, 69428424, 70763586, 80999828, 82557517, 86785530, 93461340, 94351448, 101249785, 115714040, 117939310, 121499742, 141527172, 153321103, 161999656, 165115034, 173571060, 176908965, 186922680, 202499570, 235878620, 242999484, 247672551, 283054344, 303749355, 306642206, 330230068, 347142120, 353817930, 404999140, 412787585, 459963309, 471757240, 485998968, 495345102, 607498710, 613284412, 660460136, 707635860, 766605515, 809998280, 825575170, 919926618, 990690204, 1073247721, 1214997420, 1226568824, 1238362755, 1415271720, 1533211030, 1651150340, 1839853236, 1981380408, 2146495442, 2299816545, 2429994840, 2476725510, 3066422060, 3219743163, 3302300680, 3679706472, 4292990884, 4599633090, 4953451020, 5366238605, 6132844120, 6439486326, 8585981768, 9199266180, 9906902040, 10732477210, 12878972652, 16098715815, 18398532360, 21464954420, 25757945304, 32197431630, 42929908840, 64394863260, 128789726520]

約数ペア:

[(1, 128789726520), (2, 64394863260), (3, 42929908840), (4, 32197431630), (5, 25757945304), (6, 21464954420), (7, 18398532360), (8, 16098715815), (10, 12878972652), (12, 10732477210), (13, 9906902040), (14, 9199266180), (15, 8585981768), (20, 6439486326), (21, 6132844120), (24, 5366238605), (26, 4953451020), (28, 4599633090), (30, 4292990884), (35, 3679706472), (39, 3302300680), (40, 3219743163), (42, 3066422060), (52, 2476725510), (53, 2429994840), (56, 2299816545), (60, 2146495442), (65, 1981380408), (70, 1839853236), (78, 1651150340), (84, 1533211030), (91, 1415271720), (104, 1238362755), (105, 1226568824), (106, 1214997420), (120, 1073247721), (130, 990690204), (140, 919926618), (156, 825575170), (159, 809998280), (168, 766605515), (182, 707635860), (195, 660460136), (210, 613284412), (212, 607498710), (260, 495345102), (265, 485998968), (273, 471757240), (280, 459963309), (312, 412787585), (318, 404999140), (364, 353817930), (371, 347142120), (390, 330230068), (420, 306642206), (424, 303749355), (455, 283054344), (520, 247672551), (530, 242999484), (546, 235878620), (636, 202499570), (689, 186922680), (728, 176908965), (742, 173571060), (780, 165115034), (795, 161999656), (840, 153321103), (910, 141527172), (1060, 121499742), (1092, 117939310), (1113, 115714040), (1272, 101249785), (1365, 94351448), (1378, 93461340), (1484, 86785530), (1560, 82557517), (1590, 80999828), (1820, 70763586), (1855, 69428424), (2067, 62307560), (2120, 60749871), (2184, 58969655), (2226, 57857020), (2730, 47175724), (2756, 46730670), (2968, 43392765), (3180, 40499914), (3445, 37384536), (3640, 35381793), (3710, 34714212), (4134, 31153780), (4452, 28928510), (4823, 26703240), (5460, 23587862), (5512, 23365335), (5565, 23142808), (6360, 20249957), (6890, 18692268), (7420, 17357106), (8268, 15576890), (8904, 14464255), (9646, 13351620), (10335, 12461512), (10920, 11793931), (11130, 11571404), (13780, 9346134), (14469, 8901080), (14840, 8678553), (16536, 7788445), (19292, 6675810), (20670, 6230756), (22260, 5785702), (24115, 5340648), (27560, 4673067), (28938, 4450540), (38584, 3337905), (41340, 3115378), (44520, 2892851), (48230, 2670324), (57876, 2225270), (72345, 1780216), (82680, 1557689), (96460, 1335162), (115752, 1112635), (144690, 890108), (192920, 667581), (222527, 578760), (289380, 445054)]