320411640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{37607}}^1$

素因数の和:37692

約数の個数: 64

約数和(自身を含む): 974799360

約数和(自身を除く): 654387720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 37607, 75214, 112821, 150428, 188035, 225642, 300856, 376070, 451284, 564105, 752140, 902568, 1128210, 1504280, 2256420, 2670097, 4512840, 5340194, 8010291, 10680388, 13350485, 16020582, 21360776, 26700970, 32041164, 40051455, 53401940, 64082328, 80102910, 106803880, 160205820, 320411640]

約数ペア:

[(1, 320411640), (2, 160205820), (3, 106803880), (4, 80102910), (5, 64082328), (6, 53401940), (8, 40051455), (10, 32041164), (12, 26700970), (15, 21360776), (20, 16020582), (24, 13350485), (30, 10680388), (40, 8010291), (60, 5340194), (71, 4512840), (120, 2670097), (142, 2256420), (213, 1504280), (284, 1128210), (355, 902568), (426, 752140), (568, 564105), (710, 451284), (852, 376070), (1065, 300856), (1420, 225642), (1704, 188035), (2130, 150428), (2840, 112821), (4260, 75214), (8520, 37607)]