1213553640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{777919}}^1$

素因数の和:777946

約数の個数: 64

約数和(自身を含む): 3920716800

約数和(自身を除く): 2707163160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 777919, 1555838, 2333757, 3111676, 3889595, 4667514, 6223352, 7779190, 9335028, 10112947, 11668785, 15558380, 18670056, 20225894, 23337570, 30338841, 31116760, 40451788, 46675140, 50564735, 60677682, 80903576, 93350280, 101129470, 121355364, 151694205, 202258940, 242710728, 303388410, 404517880, 606776820, 1213553640]

約数ペア:

[(1, 1213553640), (2, 606776820), (3, 404517880), (4, 303388410), (5, 242710728), (6, 202258940), (8, 151694205), (10, 121355364), (12, 101129470), (13, 93350280), (15, 80903576), (20, 60677682), (24, 50564735), (26, 46675140), (30, 40451788), (39, 31116760), (40, 30338841), (52, 23337570), (60, 20225894), (65, 18670056), (78, 15558380), (104, 11668785), (120, 10112947), (130, 9335028), (156, 7779190), (195, 6223352), (260, 4667514), (312, 3889595), (390, 3111676), (520, 2333757), (780, 1555838), (1560, 777919)]