15909250180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{146521}}^1$

素因数の和:146680

約数の個数: 48

約数和(自身を含む): 34338895920

約数和(自身を除く): 18429645740

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 305, 356, 445, 610, 890, 1220, 1780, 5429, 10858, 21716, 27145, 54290, 108580, 146521, 293042, 586084, 732605, 1465210, 2930420, 8937781, 13040369, 17875562, 26080738, 35751124, 44688905, 52161476, 65201845, 89377810, 130403690, 178755620, 260807380, 795462509, 1590925018, 3181850036, 3977312545, 7954625090, 15909250180]

約数ペア:

[(1, 15909250180), (2, 7954625090), (4, 3977312545), (5, 3181850036), (10, 1590925018), (20, 795462509), (61, 260807380), (89, 178755620), (122, 130403690), (178, 89377810), (244, 65201845), (305, 52161476), (356, 44688905), (445, 35751124), (610, 26080738), (890, 17875562), (1220, 13040369), (1780, 8937781), (5429, 2930420), (10858, 1465210), (21716, 732605), (27145, 586084), (54290, 293042), (108580, 146521)]