31421760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:552

約数の個数: 112

約数和(自身を含む): 101388672

約数和(自身を除く): 69966912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 142, 160, 192, 213, 240, 284, 320, 355, 426, 461, 480, 568, 710, 852, 922, 960, 1065, 1136, 1383, 1420, 1704, 1844, 2130, 2272, 2305, 2766, 2840, 3408, 3688, 4260, 4544, 4610, 5532, 5680, 6816, 6915, 7376, 8520, 9220, 11064, 11360, 13632, 13830, 14752, 17040, 18440, 22128, 22720, 27660, 29504, 32731, 34080, 36880, 44256, 55320, 65462, 68160, 73760, 88512, 98193, 110640, 130924, 147520, 163655, 196386, 221280, 261848, 327310, 392772, 442560, 490965, 523696, 654620, 785544, 981930, 1047392, 1309240, 1571088, 1963860, 2094784, 2618480, 3142176, 3927720, 5236960, 6284352, 7855440, 10473920, 15710880, 31421760]

約数ペア:

[(1, 31421760), (2, 15710880), (3, 10473920), (4, 7855440), (5, 6284352), (6, 5236960), (8, 3927720), (10, 3142176), (12, 2618480), (15, 2094784), (16, 1963860), (20, 1571088), (24, 1309240), (30, 1047392), (32, 981930), (40, 785544), (48, 654620), (60, 523696), (64, 490965), (71, 442560), (80, 392772), (96, 327310), (120, 261848), (142, 221280), (160, 196386), (192, 163655), (213, 147520), (240, 130924), (284, 110640), (320, 98193), (355, 88512), (426, 73760), (461, 68160), (480, 65462), (568, 55320), (710, 44256), (852, 36880), (922, 34080), (960, 32731), (1065, 29504), (1136, 27660), (1383, 22720), (1420, 22128), (1704, 18440), (1844, 17040), (2130, 14752), (2272, 13830), (2305, 13632), (2766, 11360), (2840, 11064), (3408, 9220), (3688, 8520), (4260, 7376), (4544, 6915), (4610, 6816), (5532, 5680)]