140390040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1723}}^1$

素因数の和:1841

約数の個数: 128

約数和(自身を含む): 486581760

約数和(自身を除く): 346191720

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, 970, 1164, 1358, 1455, 1723, 1940, 2037, 2328, 2716, 2910, 3395, 3446, 3880, 4074, 5169, 5432, 5820, 6790, 6892, 8148, 8615, 10185, 10338, 11640, 12061, 13580, 13784, 16296, 17230, 20370, 20676, 24122, 25845, 27160, 34460, 36183, 40740, 41352, 48244, 51690, 60305, 68920, 72366, 81480, 96488, 103380, 120610, 144732, 167131, 180915, 206760, 241220, 289464, 334262, 361830, 482440, 501393, 668524, 723660, 835655, 1002786, 1169917, 1337048, 1447320, 1671310, 2005572, 2339834, 2506965, 3342620, 3509751, 4011144, 4679668, 5013930, 5849585, 6685240, 7019502, 9359336, 10027860, 11699170, 14039004, 17548755, 20055720, 23398340, 28078008, 35097510, 46796680, 70195020, 140390040]

約数ペア:

[(1, 140390040), (2, 70195020), (3, 46796680), (4, 35097510), (5, 28078008), (6, 23398340), (7, 20055720), (8, 17548755), (10, 14039004), (12, 11699170), (14, 10027860), (15, 9359336), (20, 7019502), (21, 6685240), (24, 5849585), (28, 5013930), (30, 4679668), (35, 4011144), (40, 3509751), (42, 3342620), (56, 2506965), (60, 2339834), (70, 2005572), (84, 1671310), (97, 1447320), (105, 1337048), (120, 1169917), (140, 1002786), (168, 835655), (194, 723660), (210, 668524), (280, 501393), (291, 482440), (388, 361830), (420, 334262), (485, 289464), (582, 241220), (679, 206760), (776, 180915), (840, 167131), (970, 144732), (1164, 120610), (1358, 103380), (1455, 96488), (1723, 81480), (1940, 72366), (2037, 68920), (2328, 60305), (2716, 51690), (2910, 48244), (3395, 41352), (3446, 40740), (3880, 36183), (4074, 34460), (5169, 27160), (5432, 25845), (5820, 24122), (6790, 20676), (6892, 20370), (8148, 17230), (8615, 16296), (10185, 13784), (10338, 13580), (11640, 12061)]