15678380780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3061}}^1\times {\mathrm{8831}}^1$

素因数の和:11930

約数の個数: 48

約数和(自身を含む): 34074915840

約数和(自身を除く): 18396535060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 3061, 6122, 8831, 12244, 15305, 17662, 30610, 35324, 44155, 61220, 88310, 88769, 176620, 177538, 256099, 355076, 443845, 512198, 887690, 1024396, 1280495, 1775380, 2560990, 5121980, 27031691, 54063382, 108126764, 135158455, 270316910, 540633820, 783919039, 1567838078, 3135676156, 3919595195, 7839190390, 15678380780]

約数ペア:

[(1, 15678380780), (2, 7839190390), (4, 3919595195), (5, 3135676156), (10, 1567838078), (20, 783919039), (29, 540633820), (58, 270316910), (116, 135158455), (145, 108126764), (290, 54063382), (580, 27031691), (3061, 5121980), (6122, 2560990), (8831, 1775380), (12244, 1280495), (15305, 1024396), (17662, 887690), (30610, 512198), (35324, 443845), (44155, 355076), (61220, 256099), (88310, 177538), (88769, 176620)]