28003560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 93744000

約数和(自身を除く): 65740440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 520, 580, 619, 696, 754, 780, 870, 1131, 1160, 1238, 1508, 1560, 1740, 1857, 1885, 2262, 2476, 3016, 3095, 3480, 3714, 3770, 4524, 4952, 5655, 6190, 7428, 7540, 8047, 9048, 9285, 11310, 12380, 14856, 15080, 16094, 17951, 18570, 22620, 24141, 24760, 32188, 35902, 37140, 40235, 45240, 48282, 53853, 64376, 71804, 74280, 80470, 89755, 96564, 107706, 120705, 143608, 160940, 179510, 193128, 215412, 233363, 241410, 269265, 321880, 359020, 430824, 466726, 482820, 538530, 700089, 718040, 933452, 965640, 1077060, 1166815, 1400178, 1866904, 2154120, 2333630, 2800356, 3500445, 4667260, 5600712, 7000890, 9334520, 14001780, 28003560]

約数ペア:

[(1, 28003560), (2, 14001780), (3, 9334520), (4, 7000890), (5, 5600712), (6, 4667260), (8, 3500445), (10, 2800356), (12, 2333630), (13, 2154120), (15, 1866904), (20, 1400178), (24, 1166815), (26, 1077060), (29, 965640), (30, 933452), (39, 718040), (40, 700089), (52, 538530), (58, 482820), (60, 466726), (65, 430824), (78, 359020), (87, 321880), (104, 269265), (116, 241410), (120, 233363), (130, 215412), (145, 193128), (156, 179510), (174, 160940), (195, 143608), (232, 120705), (260, 107706), (290, 96564), (312, 89755), (348, 80470), (377, 74280), (390, 71804), (435, 64376), (520, 53853), (580, 48282), (619, 45240), (696, 40235), (754, 37140), (780, 35902), (870, 32188), (1131, 24760), (1160, 24141), (1238, 22620), (1508, 18570), (1560, 17951), (1740, 16094), (1857, 15080), (1885, 14856), (2262, 12380), (2476, 11310), (3016, 9285), (3095, 9048), (3480, 8047), (3714, 7540), (3770, 7428), (4524, 6190), (4952, 5655)]