61919440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4139}}^1$

素因数の和:4180

約数の個数: 80

約数和(自身を含む): 166328640

約数和(自身を除く): 104409200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 4139, 7480, 8278, 14960, 16556, 20695, 33112, 41390, 45529, 66224, 70363, 82780, 91058, 140726, 165560, 182116, 227645, 281452, 331120, 351815, 364232, 455290, 562904, 703630, 728464, 773993, 910580, 1125808, 1407260, 1547986, 1821160, 2814520, 3095972, 3642320, 3869965, 5629040, 6191944, 7739930, 12383888, 15479860, 30959720, 61919440]

約数ペア:

[(1, 61919440), (2, 30959720), (4, 15479860), (5, 12383888), (8, 7739930), (10, 6191944), (11, 5629040), (16, 3869965), (17, 3642320), (20, 3095972), (22, 2814520), (34, 1821160), (40, 1547986), (44, 1407260), (55, 1125808), (68, 910580), (80, 773993), (85, 728464), (88, 703630), (110, 562904), (136, 455290), (170, 364232), (176, 351815), (187, 331120), (220, 281452), (272, 227645), (340, 182116), (374, 165560), (440, 140726), (680, 91058), (748, 82780), (880, 70363), (935, 66224), (1360, 45529), (1496, 41390), (1870, 33112), (2992, 20695), (3740, 16556), (4139, 14960), (7480, 8278)]