90087920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 235880736

約数和(自身を除く): 145792816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 103, 104, 116, 130, 145, 206, 208, 232, 260, 290, 377, 412, 464, 515, 520, 580, 754, 824, 841, 1030, 1040, 1160, 1339, 1508, 1648, 1682, 1885, 2060, 2320, 2678, 2987, 3016, 3364, 3770, 4120, 4205, 5356, 5974, 6032, 6695, 6728, 7540, 8240, 8410, 10712, 10933, 11948, 13390, 13456, 14935, 15080, 16820, 21424, 21866, 23896, 26780, 29870, 30160, 33640, 38831, 43732, 47792, 53560, 54665, 59740, 67280, 77662, 86623, 87464, 107120, 109330, 119480, 155324, 173246, 174928, 194155, 218660, 238960, 310648, 346492, 388310, 433115, 437320, 621296, 692984, 776620, 866230, 874640, 1126099, 1385968, 1553240, 1732460, 2252198, 3106480, 3464920, 4504396, 5630495, 6929840, 9008792, 11260990, 18017584, 22521980, 45043960, 90087920]

約数ペア:

[(1, 90087920), (2, 45043960), (4, 22521980), (5, 18017584), (8, 11260990), (10, 9008792), (13, 6929840), (16, 5630495), (20, 4504396), (26, 3464920), (29, 3106480), (40, 2252198), (52, 1732460), (58, 1553240), (65, 1385968), (80, 1126099), (103, 874640), (104, 866230), (116, 776620), (130, 692984), (145, 621296), (206, 437320), (208, 433115), (232, 388310), (260, 346492), (290, 310648), (377, 238960), (412, 218660), (464, 194155), (515, 174928), (520, 173246), (580, 155324), (754, 119480), (824, 109330), (841, 107120), (1030, 87464), (1040, 86623), (1160, 77662), (1339, 67280), (1508, 59740), (1648, 54665), (1682, 53560), (1885, 47792), (2060, 43732), (2320, 38831), (2678, 33640), (2987, 30160), (3016, 29870), (3364, 26780), (3770, 23896), (4120, 21866), (4205, 21424), (5356, 16820), (5974, 15080), (6032, 14935), (6695, 13456), (6728, 13390), (7540, 11948), (8240, 10933), (8410, 10712)]