28977960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:811

約数の個数: 128

約数和(自身を含む): 98236800

約数和(自身を除く): 69258840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 757, 870, 957, 1160, 1276, 1320, 1514, 1595, 1740, 1914, 2271, 2552, 3028, 3190, 3480, 3785, 3828, 4542, 4785, 6056, 6380, 7570, 7656, 8327, 9084, 9570, 11355, 12760, 15140, 16654, 18168, 19140, 21953, 22710, 24981, 30280, 33308, 38280, 41635, 43906, 45420, 49962, 65859, 66616, 83270, 87812, 90840, 99924, 109765, 124905, 131718, 166540, 175624, 199848, 219530, 241483, 249810, 263436, 329295, 333080, 439060, 482966, 499620, 526872, 658590, 724449, 878120, 965932, 999240, 1207415, 1317180, 1448898, 1931864, 2414830, 2634360, 2897796, 3622245, 4829660, 5795592, 7244490, 9659320, 14488980, 28977960]

約数ペア:

[(1, 28977960), (2, 14488980), (3, 9659320), (4, 7244490), (5, 5795592), (6, 4829660), (8, 3622245), (10, 2897796), (11, 2634360), (12, 2414830), (15, 1931864), (20, 1448898), (22, 1317180), (24, 1207415), (29, 999240), (30, 965932), (33, 878120), (40, 724449), (44, 658590), (55, 526872), (58, 499620), (60, 482966), (66, 439060), (87, 333080), (88, 329295), (110, 263436), (116, 249810), (120, 241483), (132, 219530), (145, 199848), (165, 175624), (174, 166540), (220, 131718), (232, 124905), (264, 109765), (290, 99924), (319, 90840), (330, 87812), (348, 83270), (435, 66616), (440, 65859), (580, 49962), (638, 45420), (660, 43906), (696, 41635), (757, 38280), (870, 33308), (957, 30280), (1160, 24981), (1276, 22710), (1320, 21953), (1514, 19140), (1595, 18168), (1740, 16654), (1914, 15140), (2271, 12760), (2552, 11355), (3028, 9570), (3190, 9084), (3480, 8327), (3785, 7656), (3828, 7570), (4542, 6380), (4785, 6056)]