81438120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226217}}^1$

素因数の和:226234

約数の個数: 48

約数和(自身を含む): 264675060

約数和(自身を除く): 183236940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226217, 452434, 678651, 904868, 1131085, 1357302, 1809736, 2035953, 2262170, 2714604, 3393255, 4071906, 4524340, 5429208, 6786510, 8143812, 9048680, 10179765, 13573020, 16287624, 20359530, 27146040, 40719060, 81438120]

約数ペア:

[(1, 81438120), (2, 40719060), (3, 27146040), (4, 20359530), (5, 16287624), (6, 13573020), (8, 10179765), (9, 9048680), (10, 8143812), (12, 6786510), (15, 5429208), (18, 4524340), (20, 4071906), (24, 3393255), (30, 2714604), (36, 2262170), (40, 2035953), (45, 1809736), (60, 1357302), (72, 1131085), (90, 904868), (120, 678651), (180, 452434), (360, 226217)]