31386960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1$

素因数の和:1354

約数の個数: 160

約数和(自身を含む): 118028160

約数和(自身を除く): 86641200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 880, 990, 1080, 1188, 1320, 1321, 1485, 1584, 1980, 2160, 2376, 2640, 2642, 2970, 3960, 3963, 4752, 5284, 5940, 6605, 7920, 7926, 10568, 11880, 11889, 13210, 14531, 15852, 19815, 21136, 23760, 23778, 26420, 29062, 31704, 35667, 39630, 43593, 47556, 52840, 58124, 59445, 63408, 71334, 72655, 79260, 87186, 95112, 105680, 116248, 118890, 130779, 142668, 145310, 158520, 174372, 178335, 190224, 217965, 232496, 237780, 261558, 285336, 290620, 317040, 348744, 356670, 392337, 435930, 475560, 523116, 570672, 581240, 653895, 697488, 713340, 784674, 871860, 951120, 1046232, 1162480, 1307790, 1426680, 1569348, 1743720, 1961685, 2092464, 2615580, 2853360, 3138696, 3487440, 3923370, 5231160, 6277392, 7846740, 10462320, 15693480, 31386960]

約数ペア:

[(1, 31386960), (2, 15693480), (3, 10462320), (4, 7846740), (5, 6277392), (6, 5231160), (8, 3923370), (9, 3487440), (10, 3138696), (11, 2853360), (12, 2615580), (15, 2092464), (16, 1961685), (18, 1743720), (20, 1569348), (22, 1426680), (24, 1307790), (27, 1162480), (30, 1046232), (33, 951120), (36, 871860), (40, 784674), (44, 713340), (45, 697488), (48, 653895), (54, 581240), (55, 570672), (60, 523116), (66, 475560), (72, 435930), (80, 392337), (88, 356670), (90, 348744), (99, 317040), (108, 290620), (110, 285336), (120, 261558), (132, 237780), (135, 232496), (144, 217965), (165, 190224), (176, 178335), (180, 174372), (198, 158520), (216, 145310), (220, 142668), (240, 130779), (264, 118890), (270, 116248), (297, 105680), (330, 95112), (360, 87186), (396, 79260), (432, 72655), (440, 71334), (495, 63408), (528, 59445), (540, 58124), (594, 52840), (660, 47556), (720, 43593), (792, 39630), (880, 35667), (990, 31704), (1080, 29062), (1188, 26420), (1320, 23778), (1321, 23760), (1485, 21136), (1584, 19815), (1980, 15852), (2160, 14531), (2376, 13210), (2640, 11889), (2642, 11880), (2970, 10568), (3960, 7926), (3963, 7920), (4752, 6605), (5284, 5940)]