131868880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11527}}^1$

素因数の和:11564

約数の個数: 80

約数和(自身を含む): 360226944

約数和(自身を除く): 228358064

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 11527, 23054, 46108, 57635, 92216, 115270, 126797, 149851, 184432, 230540, 253594, 299702, 461080, 507188, 599404, 633985, 749255, 922160, 1014376, 1198808, 1267970, 1498510, 1648361, 2028752, 2397616, 2535940, 2997020, 3296722, 5071880, 5994040, 6593444, 8241805, 10143760, 11988080, 13186888, 16483610, 26373776, 32967220, 65934440, 131868880]

約数ペア:

[(1, 131868880), (2, 65934440), (4, 32967220), (5, 26373776), (8, 16483610), (10, 13186888), (11, 11988080), (13, 10143760), (16, 8241805), (20, 6593444), (22, 5994040), (26, 5071880), (40, 3296722), (44, 2997020), (52, 2535940), (55, 2397616), (65, 2028752), (80, 1648361), (88, 1498510), (104, 1267970), (110, 1198808), (130, 1014376), (143, 922160), (176, 749255), (208, 633985), (220, 599404), (260, 507188), (286, 461080), (440, 299702), (520, 253594), (572, 230540), (715, 184432), (880, 149851), (1040, 126797), (1144, 115270), (1430, 92216), (2288, 57635), (2860, 46108), (5720, 23054), (11440, 11527)]