667341040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{919}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 1611950400

約数和(自身を除く): 944609360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 313, 464, 580, 626, 919, 1160, 1252, 1565, 1838, 2320, 2504, 3130, 3676, 4595, 5008, 6260, 7352, 9077, 9190, 12520, 14704, 18154, 18380, 25040, 26651, 36308, 36760, 45385, 53302, 72616, 73520, 90770, 106604, 133255, 145232, 181540, 213208, 266510, 287647, 363080, 426416, 533020, 575294, 726160, 1066040, 1150588, 1438235, 2132080, 2301176, 2876470, 4602352, 5752940, 8341763, 11505880, 16683526, 23011760, 33367052, 41708815, 66734104, 83417630, 133468208, 166835260, 333670520, 667341040]

約数ペア:

[(1, 667341040), (2, 333670520), (4, 166835260), (5, 133468208), (8, 83417630), (10, 66734104), (16, 41708815), (20, 33367052), (29, 23011760), (40, 16683526), (58, 11505880), (80, 8341763), (116, 5752940), (145, 4602352), (232, 2876470), (290, 2301176), (313, 2132080), (464, 1438235), (580, 1150588), (626, 1066040), (919, 726160), (1160, 575294), (1252, 533020), (1565, 426416), (1838, 363080), (2320, 287647), (2504, 266510), (3130, 213208), (3676, 181540), (4595, 145232), (5008, 133255), (6260, 106604), (7352, 90770), (9077, 73520), (9190, 72616), (12520, 53302), (14704, 45385), (18154, 36760), (18380, 36308), (25040, 26651)]