315240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 984960

約数和(自身を除く): 669720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 71, 74, 111, 120, 142, 148, 185, 213, 222, 284, 296, 355, 370, 426, 444, 555, 568, 710, 740, 852, 888, 1065, 1110, 1420, 1480, 1704, 2130, 2220, 2627, 2840, 4260, 4440, 5254, 7881, 8520, 10508, 13135, 15762, 21016, 26270, 31524, 39405, 52540, 63048, 78810, 105080, 157620, 315240]

約数ペア:

[(1, 315240), (2, 157620), (3, 105080), (4, 78810), (5, 63048), (6, 52540), (8, 39405), (10, 31524), (12, 26270), (15, 21016), (20, 15762), (24, 13135), (30, 10508), (37, 8520), (40, 7881), (60, 5254), (71, 4440), (74, 4260), (111, 2840), (120, 2627), (142, 2220), (148, 2130), (185, 1704), (213, 1480), (222, 1420), (284, 1110), (296, 1065), (355, 888), (370, 852), (426, 740), (444, 710), (555, 568)]