30138420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38639}}^1$

素因数の和:38664

約数の個数: 48

約数和(自身を含む): 90881280

約数和(自身を除く): 60742860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 38639, 77278, 115917, 154556, 193195, 231834, 386390, 463668, 502307, 579585, 772780, 1004614, 1159170, 1506921, 2009228, 2318340, 2511535, 3013842, 5023070, 6027684, 7534605, 10046140, 15069210, 30138420]

約数ペア:

[(1, 30138420), (2, 15069210), (3, 10046140), (4, 7534605), (5, 6027684), (6, 5023070), (10, 3013842), (12, 2511535), (13, 2318340), (15, 2009228), (20, 1506921), (26, 1159170), (30, 1004614), (39, 772780), (52, 579585), (60, 502307), (65, 463668), (78, 386390), (130, 231834), (156, 193195), (195, 154556), (260, 115917), (390, 77278), (780, 38639)]