640527804

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{17291}}^1$

素因数の和:17325

約数の個数: 96

約数和(自身を含む): 1936704000

約数和(自身を除く): 1296176196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 343, 378, 441, 588, 686, 756, 882, 1029, 1323, 1372, 1764, 2058, 2646, 3087, 4116, 5292, 6174, 9261, 12348, 17291, 18522, 34582, 37044, 51873, 69164, 103746, 121037, 155619, 207492, 242074, 311238, 363111, 466857, 484148, 622476, 726222, 847259, 933714, 1089333, 1452444, 1694518, 1867428, 2178666, 2541777, 3267999, 3389036, 4357332, 5083554, 5930813, 6535998, 7625331, 10167108, 11861626, 13071996, 15250662, 17792439, 22875993, 23723252, 30501324, 35584878, 45751986, 53377317, 71169756, 91503972, 106754634, 160131951, 213509268, 320263902, 640527804]

約数ペア:

[(1, 640527804), (2, 320263902), (3, 213509268), (4, 160131951), (6, 106754634), (7, 91503972), (9, 71169756), (12, 53377317), (14, 45751986), (18, 35584878), (21, 30501324), (27, 23723252), (28, 22875993), (36, 17792439), (42, 15250662), (49, 13071996), (54, 11861626), (63, 10167108), (84, 7625331), (98, 6535998), (108, 5930813), (126, 5083554), (147, 4357332), (189, 3389036), (196, 3267999), (252, 2541777), (294, 2178666), (343, 1867428), (378, 1694518), (441, 1452444), (588, 1089333), (686, 933714), (756, 847259), (882, 726222), (1029, 622476), (1323, 484148), (1372, 466857), (1764, 363111), (2058, 311238), (2646, 242074), (3087, 207492), (4116, 155619), (5292, 121037), (6174, 103746), (9261, 69164), (12348, 51873), (17291, 37044), (18522, 34582)]