20120282760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{480427}}^1$

素因数の和:480790

約数の個数: 64

約数和(自身を含む): 60533928000

約数和(自身を除く): 40413645240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 349, 698, 1047, 1396, 1745, 2094, 2792, 3490, 4188, 5235, 6980, 8376, 10470, 13960, 20940, 41880, 480427, 960854, 1441281, 1921708, 2402135, 2882562, 3843416, 4804270, 5765124, 7206405, 9608540, 11530248, 14412810, 19217080, 28825620, 57651240, 167669023, 335338046, 503007069, 670676092, 838345115, 1006014138, 1341352184, 1676690230, 2012028276, 2515035345, 3353380460, 4024056552, 5030070690, 6706760920, 10060141380, 20120282760]

約数ペア:

[(1, 20120282760), (2, 10060141380), (3, 6706760920), (4, 5030070690), (5, 4024056552), (6, 3353380460), (8, 2515035345), (10, 2012028276), (12, 1676690230), (15, 1341352184), (20, 1006014138), (24, 838345115), (30, 670676092), (40, 503007069), (60, 335338046), (120, 167669023), (349, 57651240), (698, 28825620), (1047, 19217080), (1396, 14412810), (1745, 11530248), (2094, 9608540), (2792, 7206405), (3490, 5765124), (4188, 4804270), (5235, 3843416), (6980, 2882562), (8376, 2402135), (10470, 1921708), (13960, 1441281), (20940, 960854), (41880, 480427)]