724359640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{2273}}^1$

素因数の和:2572

約数の個数: 64

約数和(自身を含む): 1689672960

約数和(自身を除く): 965313320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 257, 310, 514, 620, 1028, 1240, 1285, 2056, 2273, 2570, 4546, 5140, 7967, 9092, 10280, 11365, 15934, 18184, 22730, 31868, 39835, 45460, 63736, 70463, 79670, 90920, 140926, 159340, 281852, 318680, 352315, 563704, 584161, 704630, 1168322, 1409260, 2336644, 2818520, 2920805, 4673288, 5841610, 11683220, 18108991, 23366440, 36217982, 72435964, 90544955, 144871928, 181089910, 362179820, 724359640]

約数ペア:

[(1, 724359640), (2, 362179820), (4, 181089910), (5, 144871928), (8, 90544955), (10, 72435964), (20, 36217982), (31, 23366440), (40, 18108991), (62, 11683220), (124, 5841610), (155, 4673288), (248, 2920805), (257, 2818520), (310, 2336644), (514, 1409260), (620, 1168322), (1028, 704630), (1240, 584161), (1285, 563704), (2056, 352315), (2273, 318680), (2570, 281852), (4546, 159340), (5140, 140926), (7967, 90920), (9092, 79670), (10280, 70463), (11365, 63736), (15934, 45460), (18184, 39835), (22730, 31868)]