164039920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9811}}^1$

素因数の和:9854

約数の個数: 80

約数和(自身を含む): 438007680

約数和(自身を除く): 273967760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 9811, 16720, 19622, 39244, 49055, 78488, 98110, 107921, 156976, 186409, 196220, 215842, 372818, 392440, 431684, 539605, 745636, 784880, 863368, 932045, 1079210, 1491272, 1726736, 1864090, 2050499, 2158420, 2982544, 3728180, 4100998, 4316840, 7456360, 8201996, 8633680, 10252495, 14912720, 16403992, 20504990, 32807984, 41009980, 82019960, 164039920]

約数ペア:

[(1, 164039920), (2, 82019960), (4, 41009980), (5, 32807984), (8, 20504990), (10, 16403992), (11, 14912720), (16, 10252495), (19, 8633680), (20, 8201996), (22, 7456360), (38, 4316840), (40, 4100998), (44, 3728180), (55, 2982544), (76, 2158420), (80, 2050499), (88, 1864090), (95, 1726736), (110, 1491272), (152, 1079210), (176, 932045), (190, 863368), (209, 784880), (220, 745636), (304, 539605), (380, 431684), (418, 392440), (440, 372818), (760, 215842), (836, 196220), (880, 186409), (1045, 156976), (1520, 107921), (1672, 98110), (2090, 78488), (3344, 49055), (4180, 39244), (8360, 19622), (9811, 16720)]