69993880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{587}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 102737000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 271, 440, 542, 587, 1084, 1174, 1355, 2168, 2348, 2710, 2935, 2981, 4696, 5420, 5870, 5962, 6457, 10840, 11740, 11924, 12914, 14905, 23480, 23848, 25828, 29810, 32285, 51656, 59620, 64570, 119240, 129140, 159077, 258280, 318154, 636308, 795385, 1272616, 1590770, 1749847, 3181540, 3499694, 6363080, 6999388, 8749235, 13998776, 17498470, 34996940, 69993880]

約数ペア:

[(1, 69993880), (2, 34996940), (4, 17498470), (5, 13998776), (8, 8749235), (10, 6999388), (11, 6363080), (20, 3499694), (22, 3181540), (40, 1749847), (44, 1590770), (55, 1272616), (88, 795385), (110, 636308), (220, 318154), (271, 258280), (440, 159077), (542, 129140), (587, 119240), (1084, 64570), (1174, 59620), (1355, 51656), (2168, 32285), (2348, 29810), (2710, 25828), (2935, 23848), (2981, 23480), (4696, 14905), (5420, 12914), (5870, 11924), (5962, 11740), (6457, 10840)]