15680760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 47412000

約数和(自身を除く): 31731240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 877, 894, 1192, 1490, 1754, 1788, 2235, 2631, 2980, 3508, 3576, 4385, 4470, 5262, 5960, 7016, 8770, 8940, 10524, 13155, 17540, 17880, 21048, 26310, 35080, 52620, 105240, 130673, 261346, 392019, 522692, 653365, 784038, 1045384, 1306730, 1568076, 1960095, 2613460, 3136152, 3920190, 5226920, 7840380, 15680760]

約数ペア:

[(1, 15680760), (2, 7840380), (3, 5226920), (4, 3920190), (5, 3136152), (6, 2613460), (8, 1960095), (10, 1568076), (12, 1306730), (15, 1045384), (20, 784038), (24, 653365), (30, 522692), (40, 392019), (60, 261346), (120, 130673), (149, 105240), (298, 52620), (447, 35080), (596, 26310), (745, 21048), (877, 17880), (894, 17540), (1192, 13155), (1490, 10524), (1754, 8940), (1788, 8770), (2235, 7016), (2631, 5960), (2980, 5262), (3508, 4470), (3576, 4385)]