243215720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6997}}^1$

素因数の和:7098

約数の個数: 64

約数和(自身を含む): 604627200

約数和(自身を除く): 361411480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 3160, 3476, 4345, 6952, 6997, 8690, 13994, 17380, 27988, 34760, 34985, 55976, 69970, 76967, 139940, 153934, 279880, 307868, 384835, 552763, 615736, 769670, 1105526, 1539340, 2211052, 2763815, 3078680, 4422104, 5527630, 6080393, 11055260, 12160786, 22110520, 24321572, 30401965, 48643144, 60803930, 121607860, 243215720]

約数ペア:

[(1, 243215720), (2, 121607860), (4, 60803930), (5, 48643144), (8, 30401965), (10, 24321572), (11, 22110520), (20, 12160786), (22, 11055260), (40, 6080393), (44, 5527630), (55, 4422104), (79, 3078680), (88, 2763815), (110, 2211052), (158, 1539340), (220, 1105526), (316, 769670), (395, 615736), (440, 552763), (632, 384835), (790, 307868), (869, 279880), (1580, 153934), (1738, 139940), (3160, 76967), (3476, 69970), (4345, 55976), (6952, 34985), (6997, 34760), (8690, 27988), (13994, 17380)]