2189720960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15767}}^1$

素因数の和:15824

約数の個数: 128

約数和(自身を含む): 6176010240

約数和(自身を除く): 3986289280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 8680, 9920, 13888, 15767, 17360, 19840, 27776, 31534, 34720, 63068, 69440, 78835, 110369, 126136, 138880, 157670, 220738, 252272, 315340, 441476, 488777, 504544, 551845, 630680, 882952, 977554, 1009088, 1103690, 1261360, 1765904, 1955108, 2018176, 2207380, 2443885, 2522720, 3421439, 3531808, 3910216, 4414760, 4887770, 5045440, 6842878, 7063616, 7820432, 8829520, 9775540, 10090880, 13685756, 14127232, 15640864, 17107195, 17659040, 19551080, 27371512, 31281728, 34214390, 35318080, 39102160, 54743024, 62563456, 68428780, 70636160, 78204320, 109486048, 136857560, 156408640, 218972096, 273715120, 312817280, 437944192, 547430240, 1094860480, 2189720960]

約数ペア:

[(1, 2189720960), (2, 1094860480), (4, 547430240), (5, 437944192), (7, 312817280), (8, 273715120), (10, 218972096), (14, 156408640), (16, 136857560), (20, 109486048), (28, 78204320), (31, 70636160), (32, 68428780), (35, 62563456), (40, 54743024), (56, 39102160), (62, 35318080), (64, 34214390), (70, 31281728), (80, 27371512), (112, 19551080), (124, 17659040), (128, 17107195), (140, 15640864), (155, 14127232), (160, 13685756), (217, 10090880), (224, 9775540), (248, 8829520), (280, 7820432), (310, 7063616), (320, 6842878), (434, 5045440), (448, 4887770), (496, 4414760), (560, 3910216), (620, 3531808), (640, 3421439), (868, 2522720), (896, 2443885), (992, 2207380), (1085, 2018176), (1120, 1955108), (1240, 1765904), (1736, 1261360), (1984, 1103690), (2170, 1009088), (2240, 977554), (2480, 882952), (3472, 630680), (3968, 551845), (4340, 504544), (4480, 488777), (4960, 441476), (6944, 315340), (8680, 252272), (9920, 220738), (13888, 157670), (15767, 138880), (17360, 126136), (19840, 110369), (27776, 78835), (31534, 69440), (34720, 63068)]