15317988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 42134400

約数和(自身を除く): 26816412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 109, 147, 196, 218, 239, 294, 327, 436, 478, 588, 654, 717, 763, 956, 1308, 1434, 1526, 1673, 2289, 2868, 3052, 3346, 4578, 5019, 5341, 6692, 9156, 10038, 10682, 11711, 16023, 20076, 21364, 23422, 26051, 32046, 35133, 46844, 52102, 64092, 70266, 78153, 104204, 140532, 156306, 182357, 312612, 364714, 547071, 729428, 1094142, 1276499, 2188284, 2552998, 3829497, 5105996, 7658994, 15317988]

約数ペア:

[(1, 15317988), (2, 7658994), (3, 5105996), (4, 3829497), (6, 2552998), (7, 2188284), (12, 1276499), (14, 1094142), (21, 729428), (28, 547071), (42, 364714), (49, 312612), (84, 182357), (98, 156306), (109, 140532), (147, 104204), (196, 78153), (218, 70266), (239, 64092), (294, 52102), (327, 46844), (436, 35133), (478, 32046), (588, 26051), (654, 23422), (717, 21364), (763, 20076), (956, 16023), (1308, 11711), (1434, 10682), (1526, 10038), (1673, 9156), (2289, 6692), (2868, 5341), (3052, 5019), (3346, 4578)]