1321132720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{2477}}^1$

素因数の和:2662

約数の個数: 80

約数和(自身を含む): 3152610720

約数和(自身を除く): 1831478000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 113, 118, 226, 236, 295, 452, 472, 565, 590, 904, 944, 1130, 1180, 1808, 2260, 2360, 2477, 4520, 4720, 4954, 6667, 9040, 9908, 12385, 13334, 19816, 24770, 26668, 33335, 39632, 49540, 53336, 66670, 99080, 106672, 133340, 146143, 198160, 266680, 279901, 292286, 533360, 559802, 584572, 730715, 1119604, 1169144, 1399505, 1461430, 2239208, 2338288, 2799010, 2922860, 4478416, 5598020, 5845720, 11196040, 11691440, 16514159, 22392080, 33028318, 66056636, 82570795, 132113272, 165141590, 264226544, 330283180, 660566360, 1321132720]

約数ペア:

[(1, 1321132720), (2, 660566360), (4, 330283180), (5, 264226544), (8, 165141590), (10, 132113272), (16, 82570795), (20, 66056636), (40, 33028318), (59, 22392080), (80, 16514159), (113, 11691440), (118, 11196040), (226, 5845720), (236, 5598020), (295, 4478416), (452, 2922860), (472, 2799010), (565, 2338288), (590, 2239208), (904, 1461430), (944, 1399505), (1130, 1169144), (1180, 1119604), (1808, 730715), (2260, 584572), (2360, 559802), (2477, 533360), (4520, 292286), (4720, 279901), (4954, 266680), (6667, 198160), (9040, 146143), (9908, 133340), (12385, 106672), (13334, 99080), (19816, 66670), (24770, 53336), (26668, 49540), (33335, 39632)]