661097920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10177}}^1$

素因数の和:10230

約数の個数: 112

約数和(自身を含む): 1861352640

約数和(自身を除く): 1200254720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 448, 464, 560, 580, 812, 928, 1015, 1120, 1160, 1624, 1856, 2030, 2240, 2320, 3248, 4060, 4640, 6496, 8120, 9280, 10177, 12992, 16240, 20354, 32480, 40708, 50885, 64960, 71239, 81416, 101770, 142478, 162832, 203540, 284956, 295133, 325664, 356195, 407080, 569912, 590266, 651328, 712390, 814160, 1139824, 1180532, 1424780, 1475665, 1628320, 2065931, 2279648, 2361064, 2849560, 2951330, 3256640, 4131862, 4559296, 4722128, 5699120, 5902660, 8263724, 9444256, 10329655, 11398240, 11805320, 16527448, 18888512, 20659310, 22796480, 23610640, 33054896, 41318620, 47221280, 66109792, 82637240, 94442560, 132219584, 165274480, 330548960, 661097920]

約数ペア:

[(1, 661097920), (2, 330548960), (4, 165274480), (5, 132219584), (7, 94442560), (8, 82637240), (10, 66109792), (14, 47221280), (16, 41318620), (20, 33054896), (28, 23610640), (29, 22796480), (32, 20659310), (35, 18888512), (40, 16527448), (56, 11805320), (58, 11398240), (64, 10329655), (70, 9444256), (80, 8263724), (112, 5902660), (116, 5699120), (140, 4722128), (145, 4559296), (160, 4131862), (203, 3256640), (224, 2951330), (232, 2849560), (280, 2361064), (290, 2279648), (320, 2065931), (406, 1628320), (448, 1475665), (464, 1424780), (560, 1180532), (580, 1139824), (812, 814160), (928, 712390), (1015, 651328), (1120, 590266), (1160, 569912), (1624, 407080), (1856, 356195), (2030, 325664), (2240, 295133), (2320, 284956), (3248, 203540), (4060, 162832), (4640, 142478), (6496, 101770), (8120, 81416), (9280, 71239), (10177, 64960), (12992, 50885), (16240, 40708), (20354, 32480)]