18064760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 46872000

約数和(自身を除く): 28807240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 433, 596, 745, 866, 1043, 1192, 1490, 1732, 2086, 2165, 2980, 3031, 3464, 4172, 4330, 5215, 5960, 6062, 8344, 8660, 10430, 12124, 15155, 17320, 20860, 24248, 30310, 41720, 60620, 64517, 121240, 129034, 258068, 322585, 451619, 516136, 645170, 903238, 1290340, 1806476, 2258095, 2580680, 3612952, 4516190, 9032380, 18064760]

約数ペア:

[(1, 18064760), (2, 9032380), (4, 4516190), (5, 3612952), (7, 2580680), (8, 2258095), (10, 1806476), (14, 1290340), (20, 903238), (28, 645170), (35, 516136), (40, 451619), (56, 322585), (70, 258068), (140, 129034), (149, 121240), (280, 64517), (298, 60620), (433, 41720), (596, 30310), (745, 24248), (866, 20860), (1043, 17320), (1192, 15155), (1490, 12124), (1732, 10430), (2086, 8660), (2165, 8344), (2980, 6062), (3031, 5960), (3464, 5215), (4172, 4330)]