55452780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1289}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 169041600

約数和(自身を除く): 113588820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1289, 1434, 2151, 2390, 2578, 2868, 3585, 3867, 4302, 4780, 5156, 6445, 7170, 7734, 8604, 10755, 11601, 12890, 14340, 15468, 19335, 21510, 23202, 25780, 38670, 43020, 46404, 58005, 77340, 116010, 232020, 308071, 616142, 924213, 1232284, 1540355, 1848426, 2772639, 3080710, 3696852, 4621065, 5545278, 6161420, 9242130, 11090556, 13863195, 18484260, 27726390, 55452780]

約数ペア:

[(1, 55452780), (2, 27726390), (3, 18484260), (4, 13863195), (5, 11090556), (6, 9242130), (9, 6161420), (10, 5545278), (12, 4621065), (15, 3696852), (18, 3080710), (20, 2772639), (30, 1848426), (36, 1540355), (45, 1232284), (60, 924213), (90, 616142), (180, 308071), (239, 232020), (478, 116010), (717, 77340), (956, 58005), (1195, 46404), (1289, 43020), (1434, 38670), (2151, 25780), (2390, 23202), (2578, 21510), (2868, 19335), (3585, 15468), (3867, 14340), (4302, 12890), (4780, 11601), (5156, 10755), (6445, 8604), (7170, 7734)]