1553240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 3931200

約数和(自身を除く): 2377960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 103, 104, 116, 130, 145, 206, 232, 260, 290, 377, 412, 515, 520, 580, 754, 824, 1030, 1160, 1339, 1508, 1885, 2060, 2678, 2987, 3016, 3770, 4120, 5356, 5974, 6695, 7540, 10712, 11948, 13390, 14935, 15080, 23896, 26780, 29870, 38831, 53560, 59740, 77662, 119480, 155324, 194155, 310648, 388310, 776620, 1553240]

約数ペア:

[(1, 1553240), (2, 776620), (4, 388310), (5, 310648), (8, 194155), (10, 155324), (13, 119480), (20, 77662), (26, 59740), (29, 53560), (40, 38831), (52, 29870), (58, 26780), (65, 23896), (103, 15080), (104, 14935), (116, 13390), (130, 11948), (145, 10712), (206, 7540), (232, 6695), (260, 5974), (290, 5356), (377, 4120), (412, 3770), (515, 3016), (520, 2987), (580, 2678), (754, 2060), (824, 1885), (1030, 1508), (1160, 1339)]