393755880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3691}}^1$

素因数の和:3839

約数の個数: 128

約数和(自身を含む): 1361018880

約数和(自身を除く): 967263000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1905, 2540, 2667, 3048, 3556, 3691, 3810, 4445, 5080, 5334, 7112, 7382, 7620, 8890, 10668, 11073, 13335, 14764, 15240, 17780, 18455, 21336, 22146, 25837, 26670, 29528, 35560, 36910, 44292, 51674, 53340, 55365, 73820, 77511, 88584, 103348, 106680, 110730, 129185, 147640, 155022, 206696, 221460, 258370, 310044, 387555, 442920, 468757, 516740, 620088, 775110, 937514, 1033480, 1406271, 1550220, 1875028, 2343785, 2812542, 3100440, 3281299, 3750056, 4687570, 5625084, 6562598, 7031355, 9375140, 9843897, 11250168, 13125196, 14062710, 16406495, 18750280, 19687794, 26250392, 28125420, 32812990, 39375588, 49219485, 56250840, 65625980, 78751176, 98438970, 131251960, 196877940, 393755880]

約数ペア:

[(1, 393755880), (2, 196877940), (3, 131251960), (4, 98438970), (5, 78751176), (6, 65625980), (7, 56250840), (8, 49219485), (10, 39375588), (12, 32812990), (14, 28125420), (15, 26250392), (20, 19687794), (21, 18750280), (24, 16406495), (28, 14062710), (30, 13125196), (35, 11250168), (40, 9843897), (42, 9375140), (56, 7031355), (60, 6562598), (70, 5625084), (84, 4687570), (105, 3750056), (120, 3281299), (127, 3100440), (140, 2812542), (168, 2343785), (210, 1875028), (254, 1550220), (280, 1406271), (381, 1033480), (420, 937514), (508, 775110), (635, 620088), (762, 516740), (840, 468757), (889, 442920), (1016, 387555), (1270, 310044), (1524, 258370), (1778, 221460), (1905, 206696), (2540, 155022), (2667, 147640), (3048, 129185), (3556, 110730), (3691, 106680), (3810, 103348), (4445, 88584), (5080, 77511), (5334, 73820), (7112, 55365), (7382, 53340), (7620, 51674), (8890, 44292), (10668, 36910), (11073, 35560), (13335, 29528), (14764, 26670), (15240, 25837), (17780, 22146), (18455, 21336)]