65307440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1579}}^1$

素因数の和:1650

約数の個数: 80

約数和(自身を含む): 169274880

約数和(自身を除く): 103967440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1579, 1880, 2068, 2585, 3158, 3760, 4136, 5170, 6316, 7895, 8272, 10340, 12632, 15790, 17369, 20680, 25264, 31580, 34738, 41360, 63160, 69476, 74213, 86845, 126320, 138952, 148426, 173690, 277904, 296852, 347380, 371065, 593704, 694760, 742130, 816343, 1187408, 1389520, 1484260, 1632686, 2968520, 3265372, 4081715, 5937040, 6530744, 8163430, 13061488, 16326860, 32653720, 65307440]

約数ペア:

[(1, 65307440), (2, 32653720), (4, 16326860), (5, 13061488), (8, 8163430), (10, 6530744), (11, 5937040), (16, 4081715), (20, 3265372), (22, 2968520), (40, 1632686), (44, 1484260), (47, 1389520), (55, 1187408), (80, 816343), (88, 742130), (94, 694760), (110, 593704), (176, 371065), (188, 347380), (220, 296852), (235, 277904), (376, 173690), (440, 148426), (470, 138952), (517, 126320), (752, 86845), (880, 74213), (940, 69476), (1034, 63160), (1579, 41360), (1880, 34738), (2068, 31580), (2585, 25264), (3158, 20680), (3760, 17369), (4136, 15790), (5170, 12632), (6316, 10340), (7895, 8272)]