53215740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1237}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 162227520

約数和(自身を除く): 109011780

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, 1237, 1434, 2151, 2390, 2474, 2868, 3585, 3711, 4302, 4780, 4948, 6185, 7170, 7422, 8604, 10755, 11133, 12370, 14340, 14844, 18555, 21510, 22266, 24740, 37110, 43020, 44532, 55665, 74220, 111330, 222660, 295643, 591286, 886929, 1182572, 1478215, 1773858, 2660787, 2956430, 3547716, 4434645, 5321574, 5912860, 8869290, 10643148, 13303935, 17738580, 26607870, 53215740]

約数ペア:

[(1, 53215740), (2, 26607870), (3, 17738580), (4, 13303935), (5, 10643148), (6, 8869290), (9, 5912860), (10, 5321574), (12, 4434645), (15, 3547716), (18, 2956430), (20, 2660787), (30, 1773858), (36, 1478215), (45, 1182572), (60, 886929), (90, 591286), (180, 295643), (239, 222660), (478, 111330), (717, 74220), (956, 55665), (1195, 44532), (1237, 43020), (1434, 37110), (2151, 24740), (2390, 22266), (2474, 21510), (2868, 18555), (3585, 14844), (3711, 14340), (4302, 12370), (4780, 11133), (4948, 10755), (6185, 8604), (7170, 7422)]