72165440

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3697}}^1$

素因数の和:3775

約数の個数: 56

約数和(自身を含む): 174708312

約数和(自身を除く): 102542872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3697, 3904, 4880, 7394, 9760, 14788, 18485, 19520, 29576, 36970, 59152, 73940, 118304, 147880, 225517, 236608, 295760, 451034, 591520, 902068, 1127585, 1183040, 1804136, 2255170, 3608272, 4510340, 7216544, 9020680, 14433088, 18041360, 36082720, 72165440]

約数ペア:

[(1, 72165440), (2, 36082720), (4, 18041360), (5, 14433088), (8, 9020680), (10, 7216544), (16, 4510340), (20, 3608272), (32, 2255170), (40, 1804136), (61, 1183040), (64, 1127585), (80, 902068), (122, 591520), (160, 451034), (244, 295760), (305, 236608), (320, 225517), (488, 147880), (610, 118304), (976, 73940), (1220, 59152), (1952, 36970), (2440, 29576), (3697, 19520), (3904, 18485), (4880, 14788), (7394, 9760)]