74913520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 195924960

約数和(自身を除く): 121011440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 109, 110, 121, 142, 176, 218, 220, 242, 284, 355, 436, 440, 484, 545, 568, 605, 710, 781, 872, 880, 968, 1090, 1136, 1199, 1210, 1420, 1562, 1744, 1936, 2180, 2398, 2420, 2840, 3124, 3905, 4360, 4796, 4840, 5680, 5995, 6248, 7739, 7810, 8591, 8720, 9592, 9680, 11990, 12496, 13189, 15478, 15620, 17182, 19184, 23980, 26378, 30956, 31240, 34364, 38695, 42955, 47960, 52756, 61912, 62480, 65945, 68728, 77390, 85129, 85910, 95920, 105512, 123824, 131890, 137456, 154780, 170258, 171820, 211024, 263780, 309560, 340516, 343640, 425645, 527560, 619120, 681032, 687280, 851290, 936419, 1055120, 1362064, 1702580, 1872838, 3405160, 3745676, 4682095, 6810320, 7491352, 9364190, 14982704, 18728380, 37456760, 74913520]

約数ペア:

[(1, 74913520), (2, 37456760), (4, 18728380), (5, 14982704), (8, 9364190), (10, 7491352), (11, 6810320), (16, 4682095), (20, 3745676), (22, 3405160), (40, 1872838), (44, 1702580), (55, 1362064), (71, 1055120), (80, 936419), (88, 851290), (109, 687280), (110, 681032), (121, 619120), (142, 527560), (176, 425645), (218, 343640), (220, 340516), (242, 309560), (284, 263780), (355, 211024), (436, 171820), (440, 170258), (484, 154780), (545, 137456), (568, 131890), (605, 123824), (710, 105512), (781, 95920), (872, 85910), (880, 85129), (968, 77390), (1090, 68728), (1136, 65945), (1199, 62480), (1210, 61912), (1420, 52756), (1562, 47960), (1744, 42955), (1936, 38695), (2180, 34364), (2398, 31240), (2420, 30956), (2840, 26378), (3124, 23980), (3905, 19184), (4360, 17182), (4796, 15620), (4840, 15478), (5680, 13189), (5995, 12496), (6248, 11990), (7739, 9680), (7810, 9592), (8591, 8720)]