157031960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{563}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 373593600

約数和(自身を除く): 216561640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 367, 380, 563, 734, 760, 1126, 1468, 1835, 2252, 2815, 2936, 3670, 4504, 5630, 6973, 7340, 10697, 11260, 13946, 14680, 21394, 22520, 27892, 34865, 42788, 53485, 55784, 69730, 85576, 106970, 139460, 206621, 213940, 278920, 413242, 427880, 826484, 1033105, 1652968, 2066210, 3925799, 4132420, 7851598, 8264840, 15703196, 19628995, 31406392, 39257990, 78515980, 157031960]

約数ペア:

[(1, 157031960), (2, 78515980), (4, 39257990), (5, 31406392), (8, 19628995), (10, 15703196), (19, 8264840), (20, 7851598), (38, 4132420), (40, 3925799), (76, 2066210), (95, 1652968), (152, 1033105), (190, 826484), (367, 427880), (380, 413242), (563, 278920), (734, 213940), (760, 206621), (1126, 139460), (1468, 106970), (1835, 85576), (2252, 69730), (2815, 55784), (2936, 53485), (3670, 42788), (4504, 34865), (5630, 27892), (6973, 22520), (7340, 21394), (10697, 14680), (11260, 13946)]