201391020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1129}}^1$

素因数の和:2135

約数の個数: 72

約数和(自身を含む): 612044160

約数和(自身を除く): 410653140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 991, 1129, 1982, 2258, 2973, 3387, 3964, 4516, 4955, 5645, 5946, 6774, 8919, 9910, 10161, 11290, 11892, 13548, 14865, 16935, 17838, 19820, 20322, 22580, 29730, 33870, 35676, 40644, 44595, 50805, 59460, 67740, 89190, 101610, 178380, 203220, 1118839, 2237678, 3356517, 4475356, 5594195, 6713034, 10069551, 11188390, 13426068, 16782585, 20139102, 22376780, 33565170, 40278204, 50347755, 67130340, 100695510, 201391020]

約数ペア:

[(1, 201391020), (2, 100695510), (3, 67130340), (4, 50347755), (5, 40278204), (6, 33565170), (9, 22376780), (10, 20139102), (12, 16782585), (15, 13426068), (18, 11188390), (20, 10069551), (30, 6713034), (36, 5594195), (45, 4475356), (60, 3356517), (90, 2237678), (180, 1118839), (991, 203220), (1129, 178380), (1982, 101610), (2258, 89190), (2973, 67740), (3387, 59460), (3964, 50805), (4516, 44595), (4955, 40644), (5645, 35676), (5946, 33870), (6774, 29730), (8919, 22580), (9910, 20322), (10161, 19820), (11290, 17838), (11892, 16935), (13548, 14865)]