15963920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1032

約数の個数: 80

約数和(自身を含む): 43925760

約数和(自身を除く): 27961840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 983, 1015, 1160, 1624, 1966, 2030, 2320, 3248, 3932, 4060, 4915, 6881, 7864, 8120, 9830, 13762, 15728, 16240, 19660, 27524, 28507, 34405, 39320, 55048, 57014, 68810, 78640, 110096, 114028, 137620, 142535, 199549, 228056, 275240, 285070, 399098, 456112, 550480, 570140, 798196, 997745, 1140280, 1596392, 1995490, 2280560, 3192784, 3990980, 7981960, 15963920]

約数ペア:

[(1, 15963920), (2, 7981960), (4, 3990980), (5, 3192784), (7, 2280560), (8, 1995490), (10, 1596392), (14, 1140280), (16, 997745), (20, 798196), (28, 570140), (29, 550480), (35, 456112), (40, 399098), (56, 285070), (58, 275240), (70, 228056), (80, 199549), (112, 142535), (116, 137620), (140, 114028), (145, 110096), (203, 78640), (232, 68810), (280, 57014), (290, 55048), (406, 39320), (464, 34405), (560, 28507), (580, 27524), (812, 19660), (983, 16240), (1015, 15728), (1160, 13762), (1624, 9830), (1966, 8120), (2030, 7864), (2320, 6881), (3248, 4915), (3932, 4060)]