16405560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 53820000

約数和(自身を除く): 37414440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 199, 229, 360, 398, 458, 597, 687, 796, 916, 995, 1145, 1194, 1374, 1592, 1791, 1832, 1990, 2061, 2290, 2388, 2748, 2985, 3435, 3582, 3980, 4122, 4580, 4776, 5496, 5970, 6870, 7164, 7960, 8244, 8955, 9160, 10305, 11940, 13740, 14328, 16488, 17910, 20610, 23880, 27480, 35820, 41220, 45571, 71640, 82440, 91142, 136713, 182284, 227855, 273426, 364568, 410139, 455710, 546852, 683565, 820278, 911420, 1093704, 1367130, 1640556, 1822840, 2050695, 2734260, 3281112, 4101390, 5468520, 8202780, 16405560]

約数ペア:

[(1, 16405560), (2, 8202780), (3, 5468520), (4, 4101390), (5, 3281112), (6, 2734260), (8, 2050695), (9, 1822840), (10, 1640556), (12, 1367130), (15, 1093704), (18, 911420), (20, 820278), (24, 683565), (30, 546852), (36, 455710), (40, 410139), (45, 364568), (60, 273426), (72, 227855), (90, 182284), (120, 136713), (180, 91142), (199, 82440), (229, 71640), (360, 45571), (398, 41220), (458, 35820), (597, 27480), (687, 23880), (796, 20610), (916, 17910), (995, 16488), (1145, 14328), (1194, 13740), (1374, 11940), (1592, 10305), (1791, 9160), (1832, 8955), (1990, 8244), (2061, 7960), (2290, 7164), (2388, 6870), (2748, 5970), (2985, 5496), (3435, 4776), (3582, 4580), (3980, 4122)]