68316560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 178631424

約数和(自身を除く): 110314864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 163, 169, 208, 248, 260, 310, 326, 338, 403, 496, 520, 620, 652, 676, 806, 815, 845, 1040, 1240, 1304, 1352, 1612, 1630, 1690, 2015, 2119, 2480, 2608, 2704, 3224, 3260, 3380, 4030, 4238, 5053, 5239, 6448, 6520, 6760, 8060, 8476, 10106, 10478, 10595, 13040, 13520, 16120, 16952, 20212, 20956, 21190, 25265, 26195, 27547, 32240, 33904, 40424, 41912, 42380, 50530, 52390, 55094, 65689, 80848, 83824, 84760, 101060, 104780, 110188, 131378, 137735, 169520, 202120, 209560, 220376, 262756, 275470, 328445, 404240, 419120, 440752, 525512, 550940, 656890, 853957, 1051024, 1101880, 1313780, 1707914, 2203760, 2627560, 3415828, 4269785, 5255120, 6831656, 8539570, 13663312, 17079140, 34158280, 68316560]

約数ペア:

[(1, 68316560), (2, 34158280), (4, 17079140), (5, 13663312), (8, 8539570), (10, 6831656), (13, 5255120), (16, 4269785), (20, 3415828), (26, 2627560), (31, 2203760), (40, 1707914), (52, 1313780), (62, 1101880), (65, 1051024), (80, 853957), (104, 656890), (124, 550940), (130, 525512), (155, 440752), (163, 419120), (169, 404240), (208, 328445), (248, 275470), (260, 262756), (310, 220376), (326, 209560), (338, 202120), (403, 169520), (496, 137735), (520, 131378), (620, 110188), (652, 104780), (676, 101060), (806, 84760), (815, 83824), (845, 80848), (1040, 65689), (1240, 55094), (1304, 52390), (1352, 50530), (1612, 42380), (1630, 41912), (1690, 40424), (2015, 33904), (2119, 32240), (2480, 27547), (2608, 26195), (2704, 25265), (3224, 21190), (3260, 20956), (3380, 20212), (4030, 16952), (4238, 16120), (5053, 13520), (5239, 13040), (6448, 10595), (6520, 10478), (6760, 10106), (8060, 8476)]