154719760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4799}}^1$

素因数の和:4856

約数の個数: 80

約数和(自身を含む): 399974400

約数和(自身を除く): 245254640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 4799, 6448, 8060, 9598, 16120, 19196, 23995, 32240, 38392, 47990, 62387, 76784, 95980, 124774, 148769, 191960, 249548, 297538, 311935, 383920, 499096, 595076, 623870, 743845, 998192, 1190152, 1247740, 1487690, 1933997, 2380304, 2495480, 2975380, 3867994, 4990960, 5950760, 7735988, 9669985, 11901520, 15471976, 19339970, 30943952, 38679940, 77359880, 154719760]

約数ペア:

[(1, 154719760), (2, 77359880), (4, 38679940), (5, 30943952), (8, 19339970), (10, 15471976), (13, 11901520), (16, 9669985), (20, 7735988), (26, 5950760), (31, 4990960), (40, 3867994), (52, 2975380), (62, 2495480), (65, 2380304), (80, 1933997), (104, 1487690), (124, 1247740), (130, 1190152), (155, 998192), (208, 743845), (248, 623870), (260, 595076), (310, 499096), (403, 383920), (496, 311935), (520, 297538), (620, 249548), (806, 191960), (1040, 148769), (1240, 124774), (1612, 95980), (2015, 76784), (2480, 62387), (3224, 47990), (4030, 38392), (4799, 32240), (6448, 23995), (8060, 19196), (9598, 16120)]