3927720

素因数分解:

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

素因数の和:546

約数の個数: 64

約数和(自身を含む): 11975040

約数和(自身を除く): 8047320

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, 461, 568, 710, 852, 922, 1065, 1383, 1420, 1704, 1844, 2130, 2305, 2766, 2840, 3688, 4260, 4610, 5532, 6915, 8520, 9220, 11064, 13830, 18440, 27660, 32731, 55320, 65462, 98193, 130924, 163655, 196386, 261848, 327310, 392772, 490965, 654620, 785544, 981930, 1309240, 1963860, 3927720]

約数ペア:

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