11978720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:484

約数の個数: 72

約数和(自身を含む): 30713256

約数和(自身を除く): 18734536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 443, 520, 676, 845, 886, 1040, 1352, 1690, 1772, 2080, 2215, 2704, 3380, 3544, 4430, 5408, 5759, 6760, 7088, 8860, 11518, 13520, 14176, 17720, 23036, 27040, 28795, 35440, 46072, 57590, 70880, 74867, 92144, 115180, 149734, 184288, 230360, 299468, 374335, 460720, 598936, 748670, 921440, 1197872, 1497340, 2395744, 2994680, 5989360, 11978720]

約数ペア:

[(1, 11978720), (2, 5989360), (4, 2994680), (5, 2395744), (8, 1497340), (10, 1197872), (13, 921440), (16, 748670), (20, 598936), (26, 460720), (32, 374335), (40, 299468), (52, 230360), (65, 184288), (80, 149734), (104, 115180), (130, 92144), (160, 74867), (169, 70880), (208, 57590), (260, 46072), (338, 35440), (416, 28795), (443, 27040), (520, 23036), (676, 17720), (845, 14176), (886, 13520), (1040, 11518), (1352, 8860), (1690, 7088), (1772, 6760), (2080, 5759), (2215, 5408), (2704, 4430), (3380, 3544)]