80408280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15583}}^1$

素因数の和:15640

約数の個数: 64

約数和(自身を含む): 246850560

約数和(自身を除く): 166442280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15583, 31166, 46749, 62332, 77915, 93498, 124664, 155830, 186996, 233745, 311660, 373992, 467490, 623320, 670069, 934980, 1340138, 1869960, 2010207, 2680276, 3350345, 4020414, 5360552, 6700690, 8040828, 10051035, 13401380, 16081656, 20102070, 26802760, 40204140, 80408280]

約数ペア:

[(1, 80408280), (2, 40204140), (3, 26802760), (4, 20102070), (5, 16081656), (6, 13401380), (8, 10051035), (10, 8040828), (12, 6700690), (15, 5360552), (20, 4020414), (24, 3350345), (30, 2680276), (40, 2010207), (43, 1869960), (60, 1340138), (86, 934980), (120, 670069), (129, 623320), (172, 467490), (215, 373992), (258, 311660), (344, 233745), (430, 186996), (516, 155830), (645, 124664), (860, 93498), (1032, 77915), (1290, 62332), (1720, 46749), (2580, 31166), (5160, 15583)]