2940080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 8061984

約数和(自身を除く): 5121904

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, 257, 260, 286, 440, 514, 520, 572, 715, 880, 1028, 1040, 1144, 1285, 1430, 2056, 2288, 2570, 2827, 2860, 3341, 4112, 5140, 5654, 5720, 6682, 10280, 11308, 11440, 13364, 14135, 16705, 20560, 22616, 26728, 28270, 33410, 36751, 45232, 53456, 56540, 66820, 73502, 113080, 133640, 147004, 183755, 226160, 267280, 294008, 367510, 588016, 735020, 1470040, 2940080]

約数ペア:

[(1, 2940080), (2, 1470040), (4, 735020), (5, 588016), (8, 367510), (10, 294008), (11, 267280), (13, 226160), (16, 183755), (20, 147004), (22, 133640), (26, 113080), (40, 73502), (44, 66820), (52, 56540), (55, 53456), (65, 45232), (80, 36751), (88, 33410), (104, 28270), (110, 26728), (130, 22616), (143, 20560), (176, 16705), (208, 14135), (220, 13364), (257, 11440), (260, 11308), (286, 10280), (440, 6682), (514, 5720), (520, 5654), (572, 5140), (715, 4112), (880, 3341), (1028, 2860), (1040, 2827), (1144, 2570), (1285, 2288), (1430, 2056)]