7855440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 24748416

約数和(自身を除く): 16892976

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, 461, 568, 710, 852, 922, 1065, 1136, 1383, 1420, 1704, 1844, 2130, 2305, 2766, 2840, 3408, 3688, 4260, 4610, 5532, 5680, 6915, 7376, 8520, 9220, 11064, 13830, 17040, 18440, 22128, 27660, 32731, 36880, 55320, 65462, 98193, 110640, 130924, 163655, 196386, 261848, 327310, 392772, 490965, 523696, 654620, 785544, 981930, 1309240, 1571088, 1963860, 2618480, 3927720, 7855440]

約数ペア:

[(1, 7855440), (2, 3927720), (3, 2618480), (4, 1963860), (5, 1571088), (6, 1309240), (8, 981930), (10, 785544), (12, 654620), (15, 523696), (16, 490965), (20, 392772), (24, 327310), (30, 261848), (40, 196386), (48, 163655), (60, 130924), (71, 110640), (80, 98193), (120, 65462), (142, 55320), (213, 36880), (240, 32731), (284, 27660), (355, 22128), (426, 18440), (461, 17040), (568, 13830), (710, 11064), (852, 9220), (922, 8520), (1065, 7376), (1136, 6915), (1383, 5680), (1420, 5532), (1704, 4610), (1844, 4260), (2130, 3688), (2305, 3408), (2766, 2840)]