644973084

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:814

約数の個数: 192

約数和(自身を含む): 2037504000

約数和(自身を除く): 1392530916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 49, 54, 63, 69, 84, 92, 98, 108, 126, 138, 147, 161, 189, 196, 207, 252, 276, 294, 322, 343, 378, 414, 441, 483, 588, 621, 644, 686, 756, 757, 828, 882, 966, 1029, 1127, 1242, 1323, 1372, 1449, 1514, 1764, 1932, 2058, 2254, 2271, 2484, 2646, 2898, 3028, 3087, 3381, 4116, 4347, 4508, 4542, 5292, 5299, 5796, 6174, 6762, 6813, 7889, 8694, 9084, 9261, 10143, 10598, 12348, 13524, 13626, 15778, 15897, 17388, 17411, 18522, 20286, 20439, 21196, 23667, 27252, 30429, 31556, 31794, 34822, 37044, 37093, 40572, 40878, 47334, 47691, 52233, 60858, 63588, 69644, 71001, 74186, 81756, 94668, 95382, 104466, 111279, 121716, 121877, 142002, 143073, 148372, 156699, 190764, 208932, 213003, 222558, 243754, 259651, 284004, 286146, 313398, 333837, 365631, 426006, 445116, 470097, 487508, 519302, 572292, 626796, 667674, 731262, 778953, 852012, 853139, 940194, 1001511, 1038604, 1096893, 1335348, 1462524, 1557906, 1706278, 1880388, 2003022, 2193786, 2336859, 2559417, 3115812, 3290679, 3412556, 4006044, 4387572, 4673718, 5118834, 5971973, 6581358, 7010577, 7678251, 9347436, 10237668, 11943946, 13162716, 14021154, 15356502, 17915919, 23034753, 23887892, 28042308, 30713004, 35831838, 46069506, 53747757, 71663676, 92139012, 107495514, 161243271, 214991028, 322486542, 644973084]

約数ペア:

[(1, 644973084), (2, 322486542), (3, 214991028), (4, 161243271), (6, 107495514), (7, 92139012), (9, 71663676), (12, 53747757), (14, 46069506), (18, 35831838), (21, 30713004), (23, 28042308), (27, 23887892), (28, 23034753), (36, 17915919), (42, 15356502), (46, 14021154), (49, 13162716), (54, 11943946), (63, 10237668), (69, 9347436), (84, 7678251), (92, 7010577), (98, 6581358), (108, 5971973), (126, 5118834), (138, 4673718), (147, 4387572), (161, 4006044), (189, 3412556), (196, 3290679), (207, 3115812), (252, 2559417), (276, 2336859), (294, 2193786), (322, 2003022), (343, 1880388), (378, 1706278), (414, 1557906), (441, 1462524), (483, 1335348), (588, 1096893), (621, 1038604), (644, 1001511), (686, 940194), (756, 853139), (757, 852012), (828, 778953), (882, 731262), (966, 667674), (1029, 626796), (1127, 572292), (1242, 519302), (1323, 487508), (1372, 470097), (1449, 445116), (1514, 426006), (1764, 365631), (1932, 333837), (2058, 313398), (2254, 286146), (2271, 284004), (2484, 259651), (2646, 243754), (2898, 222558), (3028, 213003), (3087, 208932), (3381, 190764), (4116, 156699), (4347, 148372), (4508, 143073), (4542, 142002), (5292, 121877), (5299, 121716), (5796, 111279), (6174, 104466), (6762, 95382), (6813, 94668), (7889, 81756), (8694, 74186), (9084, 71001), (9261, 69644), (10143, 63588), (10598, 60858), (12348, 52233), (13524, 47691), (13626, 47334), (15778, 40878), (15897, 40572), (17388, 37093), (17411, 37044), (18522, 34822), (20286, 31794), (20439, 31556), (21196, 30429), (23667, 27252)]