168215920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67829}}^1$

素因数の和:67873

約数の個数: 40

約数和(自身を含む): 403724160

約数和(自身を除く): 235508240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 67829, 135658, 271316, 339145, 542632, 678290, 1085264, 1356580, 2102699, 2713160, 4205398, 5426320, 8410796, 10513495, 16821592, 21026990, 33643184, 42053980, 84107960, 168215920]

約数ペア:

[(1, 168215920), (2, 84107960), (4, 42053980), (5, 33643184), (8, 21026990), (10, 16821592), (16, 10513495), (20, 8410796), (31, 5426320), (40, 4205398), (62, 2713160), (80, 2102699), (124, 1356580), (155, 1085264), (248, 678290), (310, 542632), (496, 339145), (620, 271316), (1240, 135658), (2480, 67829)]