72642320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47791}}^1$

素因数の和:47823

約数の個数: 40

約数和(自身を含む): 177786240

約数和(自身を除く): 105143920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 47791, 95582, 191164, 238955, 382328, 477910, 764656, 908029, 955820, 1816058, 1911640, 3632116, 3823280, 4540145, 7264232, 9080290, 14528464, 18160580, 36321160, 72642320]

約数ペア:

[(1, 72642320), (2, 36321160), (4, 18160580), (5, 14528464), (8, 9080290), (10, 7264232), (16, 4540145), (19, 3823280), (20, 3632116), (38, 1911640), (40, 1816058), (76, 955820), (80, 908029), (95, 764656), (152, 477910), (190, 382328), (304, 238955), (380, 191164), (760, 95582), (1520, 47791)]