245208840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7951}}^1$

素因数の和:8222

約数の個数: 64

約数和(自身を含む): 738581760

約数和(自身を除く): 493372920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 7710, 7951, 10280, 15420, 15902, 23853, 30840, 31804, 39755, 47706, 63608, 79510, 95412, 119265, 159020, 190824, 238530, 318040, 477060, 954120, 2043407, 4086814, 6130221, 8173628, 10217035, 12260442, 16347256, 20434070, 24520884, 30651105, 40868140, 49041768, 61302210, 81736280, 122604420, 245208840]

約数ペア:

[(1, 245208840), (2, 122604420), (3, 81736280), (4, 61302210), (5, 49041768), (6, 40868140), (8, 30651105), (10, 24520884), (12, 20434070), (15, 16347256), (20, 12260442), (24, 10217035), (30, 8173628), (40, 6130221), (60, 4086814), (120, 2043407), (257, 954120), (514, 477060), (771, 318040), (1028, 238530), (1285, 190824), (1542, 159020), (2056, 119265), (2570, 95412), (3084, 79510), (3855, 63608), (5140, 47706), (6168, 39755), (7710, 31804), (7951, 30840), (10280, 23853), (15420, 15902)]