1515280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 80

約数和(自身を含む): 3999744

約数和(自身を除く): 2484464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 47, 52, 62, 65, 80, 94, 104, 124, 130, 155, 188, 208, 235, 248, 260, 310, 376, 403, 470, 496, 520, 611, 620, 752, 806, 940, 1040, 1222, 1240, 1457, 1612, 1880, 2015, 2444, 2480, 2914, 3055, 3224, 3760, 4030, 4888, 5828, 6110, 6448, 7285, 8060, 9776, 11656, 12220, 14570, 16120, 18941, 23312, 24440, 29140, 32240, 37882, 48880, 58280, 75764, 94705, 116560, 151528, 189410, 303056, 378820, 757640, 1515280]

約数ペア:

[(1, 1515280), (2, 757640), (4, 378820), (5, 303056), (8, 189410), (10, 151528), (13, 116560), (16, 94705), (20, 75764), (26, 58280), (31, 48880), (40, 37882), (47, 32240), (52, 29140), (62, 24440), (65, 23312), (80, 18941), (94, 16120), (104, 14570), (124, 12220), (130, 11656), (155, 9776), (188, 8060), (208, 7285), (235, 6448), (248, 6110), (260, 5828), (310, 4888), (376, 4030), (403, 3760), (470, 3224), (496, 3055), (520, 2914), (611, 2480), (620, 2444), (752, 2015), (806, 1880), (940, 1612), (1040, 1457), (1222, 1240)]