405781320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15583}}^1$

素因数の和:15635

約数の個数: 128

約数和(自身を含む): 1436221440

約数和(自身を除く): 1030440120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 15583, 26040, 31166, 46749, 62332, 77915, 93498, 109081, 124664, 155830, 186996, 218162, 233745, 311660, 327243, 373992, 436324, 467490, 483073, 545405, 623320, 654486, 872648, 934980, 966146, 1090810, 1308972, 1449219, 1636215, 1869960, 1932292, 2181620, 2415365, 2617944, 2898438, 3272430, 3381511, 3864584, 4363240, 4830730, 5796876, 6544860, 6763022, 7246095, 9661460, 10144533, 11593752, 13089720, 13526044, 14492190, 16907555, 19322920, 20289066, 27052088, 28984380, 33815110, 40578132, 50722665, 57968760, 67630220, 81156264, 101445330, 135260440, 202890660, 405781320]

約数ペア:

[(1, 405781320), (2, 202890660), (3, 135260440), (4, 101445330), (5, 81156264), (6, 67630220), (7, 57968760), (8, 50722665), (10, 40578132), (12, 33815110), (14, 28984380), (15, 27052088), (20, 20289066), (21, 19322920), (24, 16907555), (28, 14492190), (30, 13526044), (31, 13089720), (35, 11593752), (40, 10144533), (42, 9661460), (56, 7246095), (60, 6763022), (62, 6544860), (70, 5796876), (84, 4830730), (93, 4363240), (105, 3864584), (120, 3381511), (124, 3272430), (140, 2898438), (155, 2617944), (168, 2415365), (186, 2181620), (210, 1932292), (217, 1869960), (248, 1636215), (280, 1449219), (310, 1308972), (372, 1090810), (420, 966146), (434, 934980), (465, 872648), (620, 654486), (651, 623320), (744, 545405), (840, 483073), (868, 467490), (930, 436324), (1085, 373992), (1240, 327243), (1302, 311660), (1736, 233745), (1860, 218162), (2170, 186996), (2604, 155830), (3255, 124664), (3720, 109081), (4340, 93498), (5208, 77915), (6510, 62332), (8680, 46749), (13020, 31166), (15583, 26040)]