280037760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1108

約数の個数: 128

約数和(自身を含む): 899272800

約数和(自身を除く): 619235040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 314, 320, 384, 471, 480, 628, 640, 785, 929, 942, 960, 1256, 1570, 1858, 1884, 1920, 2355, 2512, 2787, 3140, 3716, 3768, 4645, 4710, 5024, 5574, 6280, 7432, 7536, 9290, 9420, 10048, 11148, 12560, 13935, 14864, 15072, 18580, 18840, 20096, 22296, 25120, 27870, 29728, 30144, 37160, 37680, 44592, 50240, 55740, 59456, 60288, 74320, 75360, 89184, 100480, 111480, 118912, 145853, 148640, 150720, 178368, 222960, 291706, 297280, 301440, 356736, 437559, 445920, 583412, 594560, 729265, 875118, 891840, 1166824, 1458530, 1750236, 1783680, 2187795, 2333648, 2917060, 3500472, 4375590, 4667296, 5834120, 7000944, 8751180, 9334592, 11668240, 14001888, 17502360, 18669184, 23336480, 28003776, 35004720, 46672960, 56007552, 70009440, 93345920, 140018880, 280037760]

約数ペア:

[(1, 280037760), (2, 140018880), (3, 93345920), (4, 70009440), (5, 56007552), (6, 46672960), (8, 35004720), (10, 28003776), (12, 23336480), (15, 18669184), (16, 17502360), (20, 14001888), (24, 11668240), (30, 9334592), (32, 8751180), (40, 7000944), (48, 5834120), (60, 4667296), (64, 4375590), (80, 3500472), (96, 2917060), (120, 2333648), (128, 2187795), (157, 1783680), (160, 1750236), (192, 1458530), (240, 1166824), (314, 891840), (320, 875118), (384, 729265), (471, 594560), (480, 583412), (628, 445920), (640, 437559), (785, 356736), (929, 301440), (942, 297280), (960, 291706), (1256, 222960), (1570, 178368), (1858, 150720), (1884, 148640), (1920, 145853), (2355, 118912), (2512, 111480), (2787, 100480), (3140, 89184), (3716, 75360), (3768, 74320), (4645, 60288), (4710, 59456), (5024, 55740), (5574, 50240), (6280, 44592), (7432, 37680), (7536, 37160), (9290, 30144), (9420, 29728), (10048, 27870), (11148, 25120), (12560, 22296), (13935, 20096), (14864, 18840), (15072, 18580)]