131353040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18043}}^1$

素因数の和:18076

約数の個数: 80

約数和(自身を含む): 375892608

約数和(自身を除く): 244539568

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 18043, 36086, 72172, 90215, 126301, 144344, 180430, 234559, 252602, 288688, 360860, 469118, 505204, 631505, 721720, 938236, 1010408, 1172795, 1263010, 1443440, 1641913, 1876472, 2020816, 2345590, 2526020, 3283826, 3752944, 4691180, 5052040, 6567652, 8209565, 9382360, 10104080, 13135304, 16419130, 18764720, 26270608, 32838260, 65676520, 131353040]

約数ペア:

[(1, 131353040), (2, 65676520), (4, 32838260), (5, 26270608), (7, 18764720), (8, 16419130), (10, 13135304), (13, 10104080), (14, 9382360), (16, 8209565), (20, 6567652), (26, 5052040), (28, 4691180), (35, 3752944), (40, 3283826), (52, 2526020), (56, 2345590), (65, 2020816), (70, 1876472), (80, 1641913), (91, 1443440), (104, 1263010), (112, 1172795), (130, 1010408), (140, 938236), (182, 721720), (208, 631505), (260, 505204), (280, 469118), (364, 360860), (455, 288688), (520, 252602), (560, 234559), (728, 180430), (910, 144344), (1040, 126301), (1456, 90215), (1820, 72172), (3640, 36086), (7280, 18043)]