320430720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1063}}^1$

素因数の和:1242

約数の個数: 128

約数和(自身を含む): 1028845440

約数和(自身を除く): 708414720

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, 942, 960, 1063, 1256, 1570, 1884, 1920, 2126, 2355, 2512, 3140, 3189, 3768, 4252, 4710, 5024, 5315, 6280, 6378, 7536, 8504, 9420, 10048, 10630, 12560, 12756, 15072, 15945, 17008, 18840, 20096, 21260, 25120, 25512, 30144, 31890, 34016, 37680, 42520, 50240, 51024, 60288, 63780, 68032, 75360, 85040, 100480, 102048, 127560, 136064, 150720, 166891, 170080, 204096, 255120, 301440, 333782, 340160, 408192, 500673, 510240, 667564, 680320, 834455, 1001346, 1020480, 1335128, 1668910, 2002692, 2040960, 2503365, 2670256, 3337820, 4005384, 5006730, 5340512, 6675640, 8010768, 10013460, 10681024, 13351280, 16021536, 20026920, 21362048, 26702560, 32043072, 40053840, 53405120, 64086144, 80107680, 106810240, 160215360, 320430720]

約数ペア:

[(1, 320430720), (2, 160215360), (3, 106810240), (4, 80107680), (5, 64086144), (6, 53405120), (8, 40053840), (10, 32043072), (12, 26702560), (15, 21362048), (16, 20026920), (20, 16021536), (24, 13351280), (30, 10681024), (32, 10013460), (40, 8010768), (48, 6675640), (60, 5340512), (64, 5006730), (80, 4005384), (96, 3337820), (120, 2670256), (128, 2503365), (157, 2040960), (160, 2002692), (192, 1668910), (240, 1335128), (314, 1020480), (320, 1001346), (384, 834455), (471, 680320), (480, 667564), (628, 510240), (640, 500673), (785, 408192), (942, 340160), (960, 333782), (1063, 301440), (1256, 255120), (1570, 204096), (1884, 170080), (1920, 166891), (2126, 150720), (2355, 136064), (2512, 127560), (3140, 102048), (3189, 100480), (3768, 85040), (4252, 75360), (4710, 68032), (5024, 63780), (5315, 60288), (6280, 51024), (6378, 50240), (7536, 42520), (8504, 37680), (9420, 34016), (10048, 31890), (10630, 30144), (12560, 25512), (12756, 25120), (15072, 21260), (15945, 20096), (17008, 18840)]