87389680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1381}}^1$

素因数の和:1514

約数の個数: 80

約数和(自身を含む): 234431424

約数和(自身を除く): 147041744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 791, 904, 1130, 1381, 1582, 1808, 2260, 2762, 3164, 3955, 4520, 5524, 6328, 6905, 7910, 9040, 9667, 11048, 12656, 13810, 15820, 19334, 22096, 27620, 31640, 38668, 48335, 55240, 63280, 77336, 96670, 110480, 154672, 156053, 193340, 312106, 386680, 624212, 773360, 780265, 1092371, 1248424, 1560530, 2184742, 2496848, 3121060, 4369484, 5461855, 6242120, 8738968, 10923710, 12484240, 17477936, 21847420, 43694840, 87389680]

約数ペア:

[(1, 87389680), (2, 43694840), (4, 21847420), (5, 17477936), (7, 12484240), (8, 10923710), (10, 8738968), (14, 6242120), (16, 5461855), (20, 4369484), (28, 3121060), (35, 2496848), (40, 2184742), (56, 1560530), (70, 1248424), (80, 1092371), (112, 780265), (113, 773360), (140, 624212), (226, 386680), (280, 312106), (452, 193340), (560, 156053), (565, 154672), (791, 110480), (904, 96670), (1130, 77336), (1381, 63280), (1582, 55240), (1808, 48335), (2260, 38668), (2762, 31640), (3164, 27620), (3955, 22096), (4520, 19334), (5524, 15820), (6328, 13810), (6905, 12656), (7910, 11048), (9040, 9667)]