51515730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 159183360

約数和(自身を除く): 107667630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 97, 105, 126, 135, 189, 194, 210, 270, 281, 291, 315, 378, 485, 562, 582, 630, 679, 843, 873, 945, 970, 1358, 1405, 1455, 1686, 1746, 1890, 1967, 2037, 2529, 2619, 2810, 2910, 3395, 3934, 4074, 4215, 4365, 5058, 5238, 5901, 6111, 6790, 7587, 8430, 8730, 9835, 10185, 11802, 12222, 12645, 13095, 15174, 17703, 18333, 19670, 20370, 25290, 26190, 27257, 29505, 30555, 35406, 36666, 37935, 53109, 54514, 59010, 61110, 75870, 81771, 88515, 91665, 106218, 136285, 163542, 177030, 183330, 190799, 245313, 265545, 272570, 381598, 408855, 490626, 531090, 572397, 735939, 817710, 953995, 1144794, 1226565, 1471878, 1717191, 1907990, 2453130, 2861985, 3434382, 3679695, 5151573, 5723970, 7359390, 8585955, 10303146, 17171910, 25757865, 51515730]

約数ペア:

[(1, 51515730), (2, 25757865), (3, 17171910), (5, 10303146), (6, 8585955), (7, 7359390), (9, 5723970), (10, 5151573), (14, 3679695), (15, 3434382), (18, 2861985), (21, 2453130), (27, 1907990), (30, 1717191), (35, 1471878), (42, 1226565), (45, 1144794), (54, 953995), (63, 817710), (70, 735939), (90, 572397), (97, 531090), (105, 490626), (126, 408855), (135, 381598), (189, 272570), (194, 265545), (210, 245313), (270, 190799), (281, 183330), (291, 177030), (315, 163542), (378, 136285), (485, 106218), (562, 91665), (582, 88515), (630, 81771), (679, 75870), (843, 61110), (873, 59010), (945, 54514), (970, 53109), (1358, 37935), (1405, 36666), (1455, 35406), (1686, 30555), (1746, 29505), (1890, 27257), (1967, 26190), (2037, 25290), (2529, 20370), (2619, 19670), (2810, 18333), (2910, 17703), (3395, 15174), (3934, 13095), (4074, 12645), (4215, 12222), (4365, 11802), (5058, 10185), (5238, 9835), (5901, 8730), (6111, 8430), (6790, 7587)]