121855480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 281685600

約数和(自身を除く): 159830120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 229, 251, 265, 424, 458, 502, 530, 916, 1004, 1060, 1145, 1255, 1832, 2008, 2120, 2290, 2510, 4580, 5020, 9160, 10040, 12137, 13303, 24274, 26606, 48548, 53212, 57479, 60685, 66515, 97096, 106424, 114958, 121370, 133030, 229916, 242740, 266060, 287395, 459832, 485480, 532120, 574790, 1149580, 2299160, 3046387, 6092774, 12185548, 15231935, 24371096, 30463870, 60927740, 121855480]

約数ペア:

[(1, 121855480), (2, 60927740), (4, 30463870), (5, 24371096), (8, 15231935), (10, 12185548), (20, 6092774), (40, 3046387), (53, 2299160), (106, 1149580), (212, 574790), (229, 532120), (251, 485480), (265, 459832), (424, 287395), (458, 266060), (502, 242740), (530, 229916), (916, 133030), (1004, 121370), (1060, 114958), (1145, 106424), (1255, 97096), (1832, 66515), (2008, 60685), (2120, 57479), (2290, 53212), (2510, 48548), (4580, 26606), (5020, 24274), (9160, 13303), (10040, 12137)]