71712420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{91939}}^1$

素因数の和:91964

約数の個数: 48

約数和(自身を含む): 216242880

約数和(自身を除く): 144530460

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, 91939, 183878, 275817, 367756, 459695, 551634, 919390, 1103268, 1195207, 1379085, 1838780, 2390414, 2758170, 3585621, 4780828, 5516340, 5976035, 7171242, 11952070, 14342484, 17928105, 23904140, 35856210, 71712420]

約数ペア:

[(1, 71712420), (2, 35856210), (3, 23904140), (4, 17928105), (5, 14342484), (6, 11952070), (10, 7171242), (12, 5976035), (13, 5516340), (15, 4780828), (20, 3585621), (26, 2758170), (30, 2390414), (39, 1838780), (52, 1379085), (60, 1195207), (65, 1103268), (78, 919390), (130, 551634), (156, 459695), (195, 367756), (260, 275817), (390, 183878), (780, 91939)]