80521308

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{6521}}^1$

素因数の和:6552

約数の個数: 72

約数和(自身を含む): 237400800

約数和(自身を除く): 156879492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 3087, 4116, 6174, 6521, 12348, 13042, 19563, 26084, 39126, 45647, 58689, 78252, 91294, 117378, 136941, 182588, 234756, 273882, 319529, 410823, 547764, 639058, 821646, 958587, 1278116, 1643292, 1917174, 2236703, 2875761, 3834348, 4473406, 5751522, 6710109, 8946812, 11503044, 13420218, 20130327, 26840436, 40260654, 80521308]

約数ペア:

[(1, 80521308), (2, 40260654), (3, 26840436), (4, 20130327), (6, 13420218), (7, 11503044), (9, 8946812), (12, 6710109), (14, 5751522), (18, 4473406), (21, 3834348), (28, 2875761), (36, 2236703), (42, 1917174), (49, 1643292), (63, 1278116), (84, 958587), (98, 821646), (126, 639058), (147, 547764), (196, 410823), (252, 319529), (294, 273882), (343, 234756), (441, 182588), (588, 136941), (686, 117378), (882, 91294), (1029, 78252), (1372, 58689), (1764, 45647), (2058, 39126), (3087, 26084), (4116, 19563), (6174, 13042), (6521, 12348)]