68517840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4108

約数の個数: 80

約数和(自身を含む): 215450496

約数和(自身を除く): 146932656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4021, 4260, 5680, 8042, 8520, 12063, 16084, 17040, 20105, 24126, 32168, 40210, 48252, 60315, 64336, 80420, 96504, 120630, 160840, 193008, 241260, 285491, 321680, 482520, 570982, 856473, 965040, 1141964, 1427455, 1712946, 2283928, 2854910, 3425892, 4282365, 4567856, 5709820, 6851784, 8564730, 11419640, 13703568, 17129460, 22839280, 34258920, 68517840]

約数ペア:

[(1, 68517840), (2, 34258920), (3, 22839280), (4, 17129460), (5, 13703568), (6, 11419640), (8, 8564730), (10, 6851784), (12, 5709820), (15, 4567856), (16, 4282365), (20, 3425892), (24, 2854910), (30, 2283928), (40, 1712946), (48, 1427455), (60, 1141964), (71, 965040), (80, 856473), (120, 570982), (142, 482520), (213, 321680), (240, 285491), (284, 241260), (355, 193008), (426, 160840), (568, 120630), (710, 96504), (852, 80420), (1065, 64336), (1136, 60315), (1420, 48252), (1704, 40210), (2130, 32168), (2840, 24126), (3408, 20105), (4021, 17040), (4260, 16084), (5680, 12063), (8042, 8520)]