18875760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78649}}^1$

素因数の和:78665

約数の個数: 40

約数和(自身を含む): 58515600

約数和(自身を除く): 39639840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78649, 157298, 235947, 314596, 393245, 471894, 629192, 786490, 943788, 1179735, 1258384, 1572980, 1887576, 2359470, 3145960, 3775152, 4718940, 6291920, 9437880, 18875760]

約数ペア:

[(1, 18875760), (2, 9437880), (3, 6291920), (4, 4718940), (5, 3775152), (6, 3145960), (8, 2359470), (10, 1887576), (12, 1572980), (15, 1258384), (16, 1179735), (20, 943788), (24, 786490), (30, 629192), (40, 471894), (48, 393245), (60, 314596), (80, 235947), (120, 157298), (240, 78649)]