1305480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 128

約数和(自身を含む): 4561920

約数和(自身を除く): 3256440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 43, 44, 46, 55, 60, 66, 69, 86, 88, 92, 110, 115, 120, 129, 132, 138, 165, 172, 184, 215, 220, 230, 253, 258, 264, 276, 330, 344, 345, 430, 440, 460, 473, 506, 516, 552, 645, 660, 690, 759, 860, 920, 946, 989, 1012, 1032, 1265, 1290, 1320, 1380, 1419, 1518, 1720, 1892, 1978, 2024, 2365, 2530, 2580, 2760, 2838, 2967, 3036, 3784, 3795, 3956, 4730, 4945, 5060, 5160, 5676, 5934, 6072, 7095, 7590, 7912, 9460, 9890, 10120, 10879, 11352, 11868, 14190, 14835, 15180, 18920, 19780, 21758, 23736, 28380, 29670, 30360, 32637, 39560, 43516, 54395, 56760, 59340, 65274, 87032, 108790, 118680, 130548, 163185, 217580, 261096, 326370, 435160, 652740, 1305480]

約数ペア:

[(1, 1305480), (2, 652740), (3, 435160), (4, 326370), (5, 261096), (6, 217580), (8, 163185), (10, 130548), (11, 118680), (12, 108790), (15, 87032), (20, 65274), (22, 59340), (23, 56760), (24, 54395), (30, 43516), (33, 39560), (40, 32637), (43, 30360), (44, 29670), (46, 28380), (55, 23736), (60, 21758), (66, 19780), (69, 18920), (86, 15180), (88, 14835), (92, 14190), (110, 11868), (115, 11352), (120, 10879), (129, 10120), (132, 9890), (138, 9460), (165, 7912), (172, 7590), (184, 7095), (215, 6072), (220, 5934), (230, 5676), (253, 5160), (258, 5060), (264, 4945), (276, 4730), (330, 3956), (344, 3795), (345, 3784), (430, 3036), (440, 2967), (460, 2838), (473, 2760), (506, 2580), (516, 2530), (552, 2365), (645, 2024), (660, 1978), (690, 1892), (759, 1720), (860, 1518), (920, 1419), (946, 1380), (989, 1320), (1012, 1290), (1032, 1265)]