51243960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9931}}^1$

素因数の和:9988

約数の個数: 64

約数和(自身を含む): 157322880

約数和(自身を除く): 106078920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 9931, 19862, 29793, 39724, 49655, 59586, 79448, 99310, 119172, 148965, 198620, 238344, 297930, 397240, 427033, 595860, 854066, 1191720, 1281099, 1708132, 2135165, 2562198, 3416264, 4270330, 5124396, 6405495, 8540660, 10248792, 12810990, 17081320, 25621980, 51243960]

約数ペア:

[(1, 51243960), (2, 25621980), (3, 17081320), (4, 12810990), (5, 10248792), (6, 8540660), (8, 6405495), (10, 5124396), (12, 4270330), (15, 3416264), (20, 2562198), (24, 2135165), (30, 1708132), (40, 1281099), (43, 1191720), (60, 854066), (86, 595860), (120, 427033), (129, 397240), (172, 297930), (215, 238344), (258, 198620), (344, 148965), (430, 119172), (516, 99310), (645, 79448), (860, 59586), (1032, 49655), (1290, 39724), (1720, 29793), (2580, 19862), (5160, 9931)]