104520520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 272160000

約数和(自身を除く): 167639480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 71, 76, 95, 104, 130, 142, 149, 152, 190, 247, 260, 284, 298, 355, 380, 494, 520, 568, 596, 710, 745, 760, 923, 988, 1192, 1235, 1349, 1420, 1490, 1846, 1937, 1976, 2470, 2698, 2831, 2840, 2980, 3692, 3874, 4615, 4940, 5396, 5662, 5960, 6745, 7384, 7748, 9230, 9685, 9880, 10579, 10792, 11324, 13490, 14155, 15496, 17537, 18460, 19370, 21158, 22648, 26980, 28310, 35074, 36803, 36920, 38740, 42316, 52895, 53960, 56620, 70148, 73606, 77480, 84632, 87685, 105790, 113240, 137527, 140296, 147212, 175370, 184015, 201001, 211580, 275054, 294424, 350740, 368030, 402002, 423160, 550108, 687635, 701480, 736060, 804004, 1005005, 1100216, 1375270, 1472120, 1608008, 2010010, 2613013, 2750540, 4020020, 5226026, 5501080, 8040040, 10452052, 13065065, 20904104, 26130130, 52260260, 104520520]

約数ペア:

[(1, 104520520), (2, 52260260), (4, 26130130), (5, 20904104), (8, 13065065), (10, 10452052), (13, 8040040), (19, 5501080), (20, 5226026), (26, 4020020), (38, 2750540), (40, 2613013), (52, 2010010), (65, 1608008), (71, 1472120), (76, 1375270), (95, 1100216), (104, 1005005), (130, 804004), (142, 736060), (149, 701480), (152, 687635), (190, 550108), (247, 423160), (260, 402002), (284, 368030), (298, 350740), (355, 294424), (380, 275054), (494, 211580), (520, 201001), (568, 184015), (596, 175370), (710, 147212), (745, 140296), (760, 137527), (923, 113240), (988, 105790), (1192, 87685), (1235, 84632), (1349, 77480), (1420, 73606), (1490, 70148), (1846, 56620), (1937, 53960), (1976, 52895), (2470, 42316), (2698, 38740), (2831, 36920), (2840, 36803), (2980, 35074), (3692, 28310), (3874, 26980), (4615, 22648), (4940, 21158), (5396, 19370), (5662, 18460), (5960, 17537), (6745, 15496), (7384, 14155), (7748, 13490), (9230, 11324), (9685, 10792), (9880, 10579)]