56001420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{739}}^1$

素因数の和:1175

約数の個数: 72

約数和(自身を含む): 170504880

約数和(自身を除く): 114503460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 739, 842, 1263, 1478, 1684, 2105, 2217, 2526, 2956, 3695, 3789, 4210, 4434, 5052, 6315, 6651, 7390, 7578, 8420, 8868, 11085, 12630, 13302, 14780, 15156, 18945, 22170, 25260, 26604, 33255, 37890, 44340, 66510, 75780, 133020, 311119, 622238, 933357, 1244476, 1555595, 1866714, 2800071, 3111190, 3733428, 4666785, 5600142, 6222380, 9333570, 11200284, 14000355, 18667140, 28000710, 56001420]

約数ペア:

[(1, 56001420), (2, 28000710), (3, 18667140), (4, 14000355), (5, 11200284), (6, 9333570), (9, 6222380), (10, 5600142), (12, 4666785), (15, 3733428), (18, 3111190), (20, 2800071), (30, 1866714), (36, 1555595), (45, 1244476), (60, 933357), (90, 622238), (180, 311119), (421, 133020), (739, 75780), (842, 66510), (1263, 44340), (1478, 37890), (1684, 33255), (2105, 26604), (2217, 25260), (2526, 22170), (2956, 18945), (3695, 15156), (3789, 14780), (4210, 13302), (4434, 12630), (5052, 11085), (6315, 8868), (6651, 8420), (7390, 7578)]