71808880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6277}}^1$

素因数の和:6314

約数の個数: 80

約数和(自身を含む): 196174944

約数和(自身を除く): 124366064

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 6277, 11440, 12554, 25108, 31385, 50216, 62770, 69047, 81601, 100432, 125540, 138094, 163202, 251080, 276188, 326404, 345235, 408005, 502160, 552376, 652808, 690470, 816010, 897611, 1104752, 1305616, 1380940, 1632020, 1795222, 2761880, 3264040, 3590444, 4488055, 5523760, 6528080, 7180888, 8976110, 14361776, 17952220, 35904440, 71808880]

約数ペア:

[(1, 71808880), (2, 35904440), (4, 17952220), (5, 14361776), (8, 8976110), (10, 7180888), (11, 6528080), (13, 5523760), (16, 4488055), (20, 3590444), (22, 3264040), (26, 2761880), (40, 1795222), (44, 1632020), (52, 1380940), (55, 1305616), (65, 1104752), (80, 897611), (88, 816010), (104, 690470), (110, 652808), (130, 552376), (143, 502160), (176, 408005), (208, 345235), (220, 326404), (260, 276188), (286, 251080), (440, 163202), (520, 138094), (572, 125540), (715, 100432), (880, 81601), (1040, 69047), (1144, 62770), (1430, 50216), (2288, 31385), (2860, 25108), (5720, 12554), (6277, 11440)]