71783880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:999

約数の個数: 128

約数和(自身を含む): 248935680

約数和(自身を除く): 177151800

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, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 881, 970, 1164, 1358, 1455, 1762, 1940, 2037, 2328, 2643, 2716, 2910, 3395, 3524, 3880, 4074, 4405, 5286, 5432, 5820, 6167, 6790, 7048, 8148, 8810, 10185, 10572, 11640, 12334, 13215, 13580, 16296, 17620, 18501, 20370, 21144, 24668, 26430, 27160, 30835, 35240, 37002, 40740, 49336, 52860, 61670, 74004, 81480, 85457, 92505, 105720, 123340, 148008, 170914, 185010, 246680, 256371, 341828, 370020, 427285, 512742, 598199, 683656, 740040, 854570, 1025484, 1196398, 1281855, 1709140, 1794597, 2050968, 2392796, 2563710, 2990995, 3418280, 3589194, 4785592, 5127420, 5981990, 7178388, 8972985, 10254840, 11963980, 14356776, 17945970, 23927960, 35891940, 71783880]

約数ペア:

[(1, 71783880), (2, 35891940), (3, 23927960), (4, 17945970), (5, 14356776), (6, 11963980), (7, 10254840), (8, 8972985), (10, 7178388), (12, 5981990), (14, 5127420), (15, 4785592), (20, 3589194), (21, 3418280), (24, 2990995), (28, 2563710), (30, 2392796), (35, 2050968), (40, 1794597), (42, 1709140), (56, 1281855), (60, 1196398), (70, 1025484), (84, 854570), (97, 740040), (105, 683656), (120, 598199), (140, 512742), (168, 427285), (194, 370020), (210, 341828), (280, 256371), (291, 246680), (388, 185010), (420, 170914), (485, 148008), (582, 123340), (679, 105720), (776, 92505), (840, 85457), (881, 81480), (970, 74004), (1164, 61670), (1358, 52860), (1455, 49336), (1762, 40740), (1940, 37002), (2037, 35240), (2328, 30835), (2643, 27160), (2716, 26430), (2910, 24668), (3395, 21144), (3524, 20370), (3880, 18501), (4074, 17620), (4405, 16296), (5286, 13580), (5432, 13215), (5820, 12334), (6167, 11640), (6790, 10572), (7048, 10185), (8148, 8810)]