128992000

素因数分解:

$2^8\times 5^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 334807200

約数和(自身を除く): 205815200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 125, 128, 139, 145, 160, 200, 232, 250, 256, 278, 290, 320, 400, 464, 500, 556, 580, 640, 695, 725, 800, 928, 1000, 1112, 1160, 1280, 1390, 1450, 1600, 1856, 2000, 2224, 2320, 2780, 2900, 3200, 3475, 3625, 3712, 4000, 4031, 4448, 4640, 5560, 5800, 6400, 6950, 7250, 7424, 8000, 8062, 8896, 9280, 11120, 11600, 13900, 14500, 16000, 16124, 17375, 17792, 18560, 20155, 22240, 23200, 27800, 29000, 32000, 32248, 34750, 35584, 37120, 40310, 44480, 46400, 55600, 58000, 64496, 69500, 80620, 88960, 92800, 100775, 111200, 116000, 128992, 139000, 161240, 177920, 185600, 201550, 222400, 232000, 257984, 278000, 322480, 403100, 444800, 464000, 503875, 515968, 556000, 644960, 806200, 889600, 928000, 1007750, 1031936, 1112000, 1289920, 1612400, 2015500, 2224000, 2579840, 3224800, 4031000, 4448000, 5159680, 6449600, 8062000, 12899200, 16124000, 25798400, 32248000, 64496000, 128992000]

約数ペア:

[(1, 128992000), (2, 64496000), (4, 32248000), (5, 25798400), (8, 16124000), (10, 12899200), (16, 8062000), (20, 6449600), (25, 5159680), (29, 4448000), (32, 4031000), (40, 3224800), (50, 2579840), (58, 2224000), (64, 2015500), (80, 1612400), (100, 1289920), (116, 1112000), (125, 1031936), (128, 1007750), (139, 928000), (145, 889600), (160, 806200), (200, 644960), (232, 556000), (250, 515968), (256, 503875), (278, 464000), (290, 444800), (320, 403100), (400, 322480), (464, 278000), (500, 257984), (556, 232000), (580, 222400), (640, 201550), (695, 185600), (725, 177920), (800, 161240), (928, 139000), (1000, 128992), (1112, 116000), (1160, 111200), (1280, 100775), (1390, 92800), (1450, 88960), (1600, 80620), (1856, 69500), (2000, 64496), (2224, 58000), (2320, 55600), (2780, 46400), (2900, 44480), (3200, 40310), (3475, 37120), (3625, 35584), (3712, 34750), (4000, 32248), (4031, 32000), (4448, 29000), (4640, 27800), (5560, 23200), (5800, 22240), (6400, 20155), (6950, 18560), (7250, 17792), (7424, 17375), (8000, 16124), (8062, 16000), (8896, 14500), (9280, 13900), (11120, 11600)]