51618840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 256

約数和(自身を含む): 198374400

約数和(自身を除く): 146755560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 52, 56, 58, 60, 65, 70, 78, 84, 87, 91, 104, 105, 116, 120, 130, 140, 145, 156, 163, 168, 174, 182, 195, 203, 210, 232, 260, 273, 280, 290, 312, 326, 348, 364, 377, 390, 406, 420, 435, 455, 489, 520, 546, 580, 609, 652, 696, 728, 754, 780, 812, 815, 840, 870, 910, 978, 1015, 1092, 1131, 1141, 1160, 1218, 1304, 1365, 1508, 1560, 1624, 1630, 1740, 1820, 1885, 1956, 2030, 2119, 2184, 2262, 2282, 2436, 2445, 2639, 2730, 3016, 3045, 3260, 3423, 3480, 3640, 3770, 3912, 4060, 4238, 4524, 4564, 4727, 4872, 4890, 5278, 5460, 5655, 5705, 6090, 6357, 6520, 6846, 7540, 7917, 8120, 8476, 9048, 9128, 9454, 9780, 10556, 10595, 10920, 11310, 11410, 12180, 12714, 13195, 13692, 14181, 14833, 15080, 15834, 16952, 17115, 18908, 19560, 21112, 21190, 22620, 22820, 23635, 24360, 25428, 26390, 27384, 28362, 29666, 31668, 31785, 33089, 34230, 37816, 39585, 42380, 44499, 45240, 45640, 47270, 50856, 52780, 56724, 59332, 61451, 63336, 63570, 66178, 68460, 70905, 74165, 79170, 84760, 88998, 94540, 99267, 105560, 113448, 118664, 122902, 127140, 132356, 136920, 141810, 148330, 158340, 165445, 177996, 184353, 189080, 198534, 222495, 245804, 254280, 264712, 283620, 296660, 307255, 316680, 330890, 355992, 368706, 397068, 430157, 444990, 491608, 496335, 567240, 593320, 614510, 661780, 737412, 794136, 860314, 889980, 921765, 992670, 1229020, 1290471, 1323560, 1474824, 1720628, 1779960, 1843530, 1985340, 2150785, 2458040, 2580942, 3441256, 3687060, 3970680, 4301570, 5161884, 6452355, 7374120, 8603140, 10323768, 12904710, 17206280, 25809420, 51618840]

約数ペア:

[(1, 51618840), (2, 25809420), (3, 17206280), (4, 12904710), (5, 10323768), (6, 8603140), (7, 7374120), (8, 6452355), (10, 5161884), (12, 4301570), (13, 3970680), (14, 3687060), (15, 3441256), (20, 2580942), (21, 2458040), (24, 2150785), (26, 1985340), (28, 1843530), (29, 1779960), (30, 1720628), (35, 1474824), (39, 1323560), (40, 1290471), (42, 1229020), (52, 992670), (56, 921765), (58, 889980), (60, 860314), (65, 794136), (70, 737412), (78, 661780), (84, 614510), (87, 593320), (91, 567240), (104, 496335), (105, 491608), (116, 444990), (120, 430157), (130, 397068), (140, 368706), (145, 355992), (156, 330890), (163, 316680), (168, 307255), (174, 296660), (182, 283620), (195, 264712), (203, 254280), (210, 245804), (232, 222495), (260, 198534), (273, 189080), (280, 184353), (290, 177996), (312, 165445), (326, 158340), (348, 148330), (364, 141810), (377, 136920), (390, 132356), (406, 127140), (420, 122902), (435, 118664), (455, 113448), (489, 105560), (520, 99267), (546, 94540), (580, 88998), (609, 84760), (652, 79170), (696, 74165), (728, 70905), (754, 68460), (780, 66178), (812, 63570), (815, 63336), (840, 61451), (870, 59332), (910, 56724), (978, 52780), (1015, 50856), (1092, 47270), (1131, 45640), (1141, 45240), (1160, 44499), (1218, 42380), (1304, 39585), (1365, 37816), (1508, 34230), (1560, 33089), (1624, 31785), (1630, 31668), (1740, 29666), (1820, 28362), (1885, 27384), (1956, 26390), (2030, 25428), (2119, 24360), (2184, 23635), (2262, 22820), (2282, 22620), (2436, 21190), (2445, 21112), (2639, 19560), (2730, 18908), (3016, 17115), (3045, 16952), (3260, 15834), (3423, 15080), (3480, 14833), (3640, 14181), (3770, 13692), (3912, 13195), (4060, 12714), (4238, 12180), (4524, 11410), (4564, 11310), (4727, 10920), (4872, 10595), (4890, 10556), (5278, 9780), (5460, 9454), (5655, 9128), (5705, 9048), (6090, 8476), (6357, 8120), (6520, 7917), (6846, 7540)]