8181080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 19945440

約数和(自身を除く): 11764360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 227, 265, 340, 424, 454, 530, 680, 901, 908, 1060, 1135, 1802, 1816, 2120, 2270, 3604, 3859, 4505, 4540, 7208, 7718, 9010, 9080, 12031, 15436, 18020, 19295, 24062, 30872, 36040, 38590, 48124, 60155, 77180, 96248, 120310, 154360, 204527, 240620, 409054, 481240, 818108, 1022635, 1636216, 2045270, 4090540, 8181080]

約数ペア:

[(1, 8181080), (2, 4090540), (4, 2045270), (5, 1636216), (8, 1022635), (10, 818108), (17, 481240), (20, 409054), (34, 240620), (40, 204527), (53, 154360), (68, 120310), (85, 96248), (106, 77180), (136, 60155), (170, 48124), (212, 38590), (227, 36040), (265, 30872), (340, 24062), (424, 19295), (454, 18020), (530, 15436), (680, 12031), (901, 9080), (908, 9010), (1060, 7718), (1135, 7208), (1802, 4540), (1816, 4505), (2120, 3859), (2270, 3604)]