649013820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16981}}^1$

素因数の和:17020

約数の個数: 144

約数和(自身を含む): 2276674848

約数和(自身を除く): 1627661028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 7644, 9555, 12740, 16981, 19110, 33962, 38220, 50943, 67924, 84905, 101886, 118867, 169810, 203772, 220753, 237734, 254715, 339620, 356601, 441506, 475468, 509430, 594335, 662259, 713202, 832069, 883012, 1018860, 1103765, 1188670, 1324518, 1426404, 1545271, 1664138, 1783005, 2207530, 2377340, 2496207, 2649036, 3090542, 3311295, 3328276, 3566010, 4160345, 4415060, 4635813, 4992414, 6181084, 6622590, 7132020, 7726355, 8320690, 9271626, 9984828, 10816897, 12481035, 13245180, 15452710, 16641380, 18543252, 21633794, 23179065, 24962070, 30905420, 32450691, 43267588, 46358130, 49924140, 54084485, 64901382, 92716260, 108168970, 129802764, 162253455, 216337940, 324506910, 649013820]

約数ペア:

[(1, 649013820), (2, 324506910), (3, 216337940), (4, 162253455), (5, 129802764), (6, 108168970), (7, 92716260), (10, 64901382), (12, 54084485), (13, 49924140), (14, 46358130), (15, 43267588), (20, 32450691), (21, 30905420), (26, 24962070), (28, 23179065), (30, 21633794), (35, 18543252), (39, 16641380), (42, 15452710), (49, 13245180), (52, 12481035), (60, 10816897), (65, 9984828), (70, 9271626), (78, 8320690), (84, 7726355), (91, 7132020), (98, 6622590), (105, 6181084), (130, 4992414), (140, 4635813), (147, 4415060), (156, 4160345), (182, 3566010), (195, 3328276), (196, 3311295), (210, 3090542), (245, 2649036), (260, 2496207), (273, 2377340), (294, 2207530), (364, 1783005), (390, 1664138), (420, 1545271), (455, 1426404), (490, 1324518), (546, 1188670), (588, 1103765), (637, 1018860), (735, 883012), (780, 832069), (910, 713202), (980, 662259), (1092, 594335), (1274, 509430), (1365, 475468), (1470, 441506), (1820, 356601), (1911, 339620), (2548, 254715), (2730, 237734), (2940, 220753), (3185, 203772), (3822, 169810), (5460, 118867), (6370, 101886), (7644, 84905), (9555, 67924), (12740, 50943), (16981, 38220), (19110, 33962)]