18761040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:457

約数の個数: 120

約数和(自身を含む): 64067328

約数和(自身を除く): 45306288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 367, 426, 568, 639, 710, 720, 734, 852, 1065, 1101, 1136, 1278, 1420, 1468, 1704, 1835, 2130, 2202, 2556, 2840, 2936, 3195, 3303, 3408, 3670, 4260, 4404, 5112, 5505, 5680, 5872, 6390, 6606, 7340, 8520, 8808, 10224, 11010, 12780, 13212, 14680, 16515, 17040, 17616, 22020, 25560, 26057, 26424, 29360, 33030, 44040, 51120, 52114, 52848, 66060, 78171, 88080, 104228, 130285, 132120, 156342, 208456, 234513, 260570, 264240, 312684, 390855, 416912, 469026, 521140, 625368, 781710, 938052, 1042280, 1172565, 1250736, 1563420, 1876104, 2084560, 2345130, 3126840, 3752208, 4690260, 6253680, 9380520, 18761040]

約数ペア:

[(1, 18761040), (2, 9380520), (3, 6253680), (4, 4690260), (5, 3752208), (6, 3126840), (8, 2345130), (9, 2084560), (10, 1876104), (12, 1563420), (15, 1250736), (16, 1172565), (18, 1042280), (20, 938052), (24, 781710), (30, 625368), (36, 521140), (40, 469026), (45, 416912), (48, 390855), (60, 312684), (71, 264240), (72, 260570), (80, 234513), (90, 208456), (120, 156342), (142, 132120), (144, 130285), (180, 104228), (213, 88080), (240, 78171), (284, 66060), (355, 52848), (360, 52114), (367, 51120), (426, 44040), (568, 33030), (639, 29360), (710, 26424), (720, 26057), (734, 25560), (852, 22020), (1065, 17616), (1101, 17040), (1136, 16515), (1278, 14680), (1420, 13212), (1468, 12780), (1704, 11010), (1835, 10224), (2130, 8808), (2202, 8520), (2556, 7340), (2840, 6606), (2936, 6390), (3195, 5872), (3303, 5680), (3408, 5505), (3670, 5112), (4260, 4404)]