81865920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1682

約数の個数: 112

約数和(自身を含む): 264993120

約数和(自身を除く): 183127200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 159, 160, 192, 212, 240, 265, 318, 320, 424, 480, 530, 636, 795, 848, 960, 1060, 1272, 1590, 1609, 1696, 2120, 2544, 3180, 3218, 3392, 4240, 4827, 5088, 6360, 6436, 8045, 8480, 9654, 10176, 12720, 12872, 16090, 16960, 19308, 24135, 25440, 25744, 32180, 38616, 48270, 50880, 51488, 64360, 77232, 85277, 96540, 102976, 128720, 154464, 170554, 193080, 255831, 257440, 308928, 341108, 386160, 426385, 511662, 514880, 682216, 772320, 852770, 1023324, 1279155, 1364432, 1544640, 1705540, 2046648, 2558310, 2728864, 3411080, 4093296, 5116620, 5457728, 6822160, 8186592, 10233240, 13644320, 16373184, 20466480, 27288640, 40932960, 81865920]

約数ペア:

[(1, 81865920), (2, 40932960), (3, 27288640), (4, 20466480), (5, 16373184), (6, 13644320), (8, 10233240), (10, 8186592), (12, 6822160), (15, 5457728), (16, 5116620), (20, 4093296), (24, 3411080), (30, 2728864), (32, 2558310), (40, 2046648), (48, 1705540), (53, 1544640), (60, 1364432), (64, 1279155), (80, 1023324), (96, 852770), (106, 772320), (120, 682216), (159, 514880), (160, 511662), (192, 426385), (212, 386160), (240, 341108), (265, 308928), (318, 257440), (320, 255831), (424, 193080), (480, 170554), (530, 154464), (636, 128720), (795, 102976), (848, 96540), (960, 85277), (1060, 77232), (1272, 64360), (1590, 51488), (1609, 50880), (1696, 48270), (2120, 38616), (2544, 32180), (3180, 25744), (3218, 25440), (3392, 24135), (4240, 19308), (4827, 16960), (5088, 16090), (6360, 12872), (6436, 12720), (8045, 10176), (8480, 9654)]