18089360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 45639936

約数和(自身を除く): 27550576

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 283, 340, 376, 470, 566, 680, 752, 799, 940, 1132, 1360, 1415, 1598, 1880, 2264, 2830, 3196, 3760, 3995, 4528, 4811, 5660, 6392, 7990, 9622, 11320, 12784, 13301, 15980, 19244, 22640, 24055, 26602, 31960, 38488, 48110, 53204, 63920, 66505, 76976, 96220, 106408, 133010, 192440, 212816, 226117, 266020, 384880, 452234, 532040, 904468, 1064080, 1130585, 1808936, 2261170, 3617872, 4522340, 9044680, 18089360]

約数ペア:

[(1, 18089360), (2, 9044680), (4, 4522340), (5, 3617872), (8, 2261170), (10, 1808936), (16, 1130585), (17, 1064080), (20, 904468), (34, 532040), (40, 452234), (47, 384880), (68, 266020), (80, 226117), (85, 212816), (94, 192440), (136, 133010), (170, 106408), (188, 96220), (235, 76976), (272, 66505), (283, 63920), (340, 53204), (376, 48110), (470, 38488), (566, 31960), (680, 26602), (752, 24055), (799, 22640), (940, 19244), (1132, 15980), (1360, 13301), (1415, 12784), (1598, 11320), (1880, 9622), (2264, 7990), (2830, 6392), (3196, 5660), (3760, 4811), (3995, 4528)]