64697880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 212486400

約数和(自身を除く): 147788520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 312, 335, 390, 402, 520, 536, 619, 670, 780, 804, 871, 1005, 1238, 1340, 1560, 1608, 1742, 1857, 2010, 2476, 2613, 2680, 3095, 3484, 3714, 4020, 4355, 4952, 5226, 6190, 6968, 7428, 8040, 8047, 8710, 9285, 10452, 12380, 13065, 14856, 16094, 17420, 18570, 20904, 24141, 24760, 26130, 32188, 34840, 37140, 40235, 41473, 48282, 52260, 64376, 74280, 80470, 82946, 96564, 104520, 120705, 124419, 160940, 165892, 193128, 207365, 241410, 248838, 321880, 331784, 414730, 482820, 497676, 539149, 622095, 829460, 965640, 995352, 1078298, 1244190, 1617447, 1658920, 2156596, 2488380, 2695745, 3234894, 4313192, 4976760, 5391490, 6469788, 8087235, 10782980, 12939576, 16174470, 21565960, 32348940, 64697880]

約数ペア:

[(1, 64697880), (2, 32348940), (3, 21565960), (4, 16174470), (5, 12939576), (6, 10782980), (8, 8087235), (10, 6469788), (12, 5391490), (13, 4976760), (15, 4313192), (20, 3234894), (24, 2695745), (26, 2488380), (30, 2156596), (39, 1658920), (40, 1617447), (52, 1244190), (60, 1078298), (65, 995352), (67, 965640), (78, 829460), (104, 622095), (120, 539149), (130, 497676), (134, 482820), (156, 414730), (195, 331784), (201, 321880), (260, 248838), (268, 241410), (312, 207365), (335, 193128), (390, 165892), (402, 160940), (520, 124419), (536, 120705), (619, 104520), (670, 96564), (780, 82946), (804, 80470), (871, 74280), (1005, 64376), (1238, 52260), (1340, 48282), (1560, 41473), (1608, 40235), (1742, 37140), (1857, 34840), (2010, 32188), (2476, 26130), (2613, 24760), (2680, 24141), (3095, 20904), (3484, 18570), (3714, 17420), (4020, 16094), (4355, 14856), (4952, 13065), (5226, 12380), (6190, 10452), (6968, 9285), (7428, 8710), (8040, 8047)]