405868920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 1267660800

約数和(自身を除く): 861791880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 223, 232, 290, 348, 435, 446, 523, 580, 669, 696, 870, 892, 1046, 1115, 1160, 1338, 1569, 1740, 1784, 2092, 2230, 2615, 2676, 3138, 3345, 3480, 4184, 4460, 5230, 5352, 6276, 6467, 6690, 7845, 8920, 10460, 12552, 12934, 13380, 15167, 15690, 19401, 20920, 25868, 26760, 30334, 31380, 32335, 38802, 45501, 51736, 60668, 62760, 64670, 75835, 77604, 91002, 97005, 116629, 121336, 129340, 151670, 155208, 182004, 194010, 227505, 233258, 258680, 303340, 349887, 364008, 388020, 455010, 466516, 583145, 606680, 699774, 776040, 910020, 933032, 1166290, 1399548, 1749435, 1820040, 2332580, 2799096, 3382241, 3498870, 4665160, 6764482, 6997740, 10146723, 13528964, 13995480, 16911205, 20293446, 27057928, 33822410, 40586892, 50733615, 67644820, 81173784, 101467230, 135289640, 202934460, 405868920]

約数ペア:

[(1, 405868920), (2, 202934460), (3, 135289640), (4, 101467230), (5, 81173784), (6, 67644820), (8, 50733615), (10, 40586892), (12, 33822410), (15, 27057928), (20, 20293446), (24, 16911205), (29, 13995480), (30, 13528964), (40, 10146723), (58, 6997740), (60, 6764482), (87, 4665160), (116, 3498870), (120, 3382241), (145, 2799096), (174, 2332580), (223, 1820040), (232, 1749435), (290, 1399548), (348, 1166290), (435, 933032), (446, 910020), (523, 776040), (580, 699774), (669, 606680), (696, 583145), (870, 466516), (892, 455010), (1046, 388020), (1115, 364008), (1160, 349887), (1338, 303340), (1569, 258680), (1740, 233258), (1784, 227505), (2092, 194010), (2230, 182004), (2615, 155208), (2676, 151670), (3138, 129340), (3345, 121336), (3480, 116629), (4184, 97005), (4460, 91002), (5230, 77604), (5352, 75835), (6276, 64670), (6467, 62760), (6690, 60668), (7845, 51736), (8920, 45501), (10460, 38802), (12552, 32335), (12934, 31380), (13380, 30334), (15167, 26760), (15690, 25868), (19401, 20920)]