208801560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{499}}^1$

素因数の和:841

約数の個数: 128

約数和(自身を含む): 686880000

約数和(自身を除く): 478078440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 317, 330, 440, 499, 634, 660, 951, 998, 1268, 1320, 1497, 1585, 1902, 1996, 2495, 2536, 2994, 3170, 3487, 3804, 3992, 4755, 4990, 5489, 5988, 6340, 6974, 7485, 7608, 9510, 9980, 10461, 10978, 11976, 12680, 13948, 14970, 16467, 17435, 19020, 19960, 20922, 21956, 27445, 27896, 29940, 32934, 34870, 38040, 41844, 43912, 52305, 54890, 59880, 65868, 69740, 82335, 83688, 104610, 109780, 131736, 139480, 158183, 164670, 209220, 219560, 316366, 329340, 418440, 474549, 632732, 658680, 790915, 949098, 1265464, 1581830, 1740013, 1898196, 2372745, 3163660, 3480026, 3796392, 4745490, 5220039, 6327320, 6960052, 8700065, 9490980, 10440078, 13920104, 17400130, 18981960, 20880156, 26100195, 34800260, 41760312, 52200390, 69600520, 104400780, 208801560]

約数ペア:

[(1, 208801560), (2, 104400780), (3, 69600520), (4, 52200390), (5, 41760312), (6, 34800260), (8, 26100195), (10, 20880156), (11, 18981960), (12, 17400130), (15, 13920104), (20, 10440078), (22, 9490980), (24, 8700065), (30, 6960052), (33, 6327320), (40, 5220039), (44, 4745490), (55, 3796392), (60, 3480026), (66, 3163660), (88, 2372745), (110, 1898196), (120, 1740013), (132, 1581830), (165, 1265464), (220, 949098), (264, 790915), (317, 658680), (330, 632732), (440, 474549), (499, 418440), (634, 329340), (660, 316366), (951, 219560), (998, 209220), (1268, 164670), (1320, 158183), (1497, 139480), (1585, 131736), (1902, 109780), (1996, 104610), (2495, 83688), (2536, 82335), (2994, 69740), (3170, 65868), (3487, 59880), (3804, 54890), (3992, 52305), (4755, 43912), (4990, 41844), (5489, 38040), (5988, 34870), (6340, 32934), (6974, 29940), (7485, 27896), (7608, 27445), (9510, 21956), (9980, 20922), (10461, 19960), (10978, 19020), (11976, 17435), (12680, 16467), (13948, 14970)]