12315080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 29179440

約数和(自身を除く): 16864360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 148, 157, 185, 212, 265, 296, 314, 370, 424, 530, 628, 740, 785, 1060, 1256, 1480, 1570, 1961, 2120, 3140, 3922, 5809, 6280, 7844, 8321, 9805, 11618, 15688, 16642, 19610, 23236, 29045, 33284, 39220, 41605, 46472, 58090, 66568, 78440, 83210, 116180, 166420, 232360, 307877, 332840, 615754, 1231508, 1539385, 2463016, 3078770, 6157540, 12315080]

約数ペア:

[(1, 12315080), (2, 6157540), (4, 3078770), (5, 2463016), (8, 1539385), (10, 1231508), (20, 615754), (37, 332840), (40, 307877), (53, 232360), (74, 166420), (106, 116180), (148, 83210), (157, 78440), (185, 66568), (212, 58090), (265, 46472), (296, 41605), (314, 39220), (370, 33284), (424, 29045), (530, 23236), (628, 19610), (740, 16642), (785, 15688), (1060, 11618), (1256, 9805), (1480, 8321), (1570, 7844), (1961, 6280), (2120, 5809), (3140, 3922)]