551469780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43151}}^1$

素因数の和:43237

約数の個数: 72

約数和(自身を含む): 1696391424

約数和(自身を除く): 1144921644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 43151, 86302, 129453, 172604, 215755, 258906, 388359, 431510, 517812, 647265, 776718, 863020, 1294530, 1553436, 1941795, 2589060, 3063721, 3883590, 6127442, 7767180, 9191163, 12254884, 15318605, 18382326, 27573489, 30637210, 36764652, 45955815, 55146978, 61274420, 91911630, 110293956, 137867445, 183823260, 275734890, 551469780]

約数ペア:

[(1, 551469780), (2, 275734890), (3, 183823260), (4, 137867445), (5, 110293956), (6, 91911630), (9, 61274420), (10, 55146978), (12, 45955815), (15, 36764652), (18, 30637210), (20, 27573489), (30, 18382326), (36, 15318605), (45, 12254884), (60, 9191163), (71, 7767180), (90, 6127442), (142, 3883590), (180, 3063721), (213, 2589060), (284, 1941795), (355, 1553436), (426, 1294530), (639, 863020), (710, 776718), (852, 647265), (1065, 517812), (1278, 431510), (1420, 388359), (2130, 258906), (2556, 215755), (3195, 172604), (4260, 129453), (6390, 86302), (12780, 43151)]