16328840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 44323200

約数和(自身を除く): 27994360

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 37, 40, 44, 55, 59, 68, 74, 85, 88, 110, 118, 136, 148, 170, 185, 187, 220, 236, 295, 296, 340, 370, 374, 407, 440, 472, 590, 629, 649, 680, 740, 748, 814, 935, 1003, 1180, 1258, 1298, 1480, 1496, 1628, 1870, 2006, 2035, 2183, 2360, 2516, 2596, 3145, 3245, 3256, 3740, 4012, 4070, 4366, 5015, 5032, 5192, 6290, 6490, 6919, 7480, 8024, 8140, 8732, 10030, 10915, 11033, 12580, 12980, 13838, 16280, 17464, 20060, 21830, 22066, 24013, 25160, 25960, 27676, 34595, 37111, 40120, 43660, 44132, 48026, 55165, 55352, 69190, 74222, 87320, 88264, 96052, 110330, 120065, 138380, 148444, 185555, 192104, 220660, 240130, 276760, 296888, 371110, 408221, 441320, 480260, 742220, 816442, 960520, 1484440, 1632884, 2041105, 3265768, 4082210, 8164420, 16328840]

約数ペア:

[(1, 16328840), (2, 8164420), (4, 4082210), (5, 3265768), (8, 2041105), (10, 1632884), (11, 1484440), (17, 960520), (20, 816442), (22, 742220), (34, 480260), (37, 441320), (40, 408221), (44, 371110), (55, 296888), (59, 276760), (68, 240130), (74, 220660), (85, 192104), (88, 185555), (110, 148444), (118, 138380), (136, 120065), (148, 110330), (170, 96052), (185, 88264), (187, 87320), (220, 74222), (236, 69190), (295, 55352), (296, 55165), (340, 48026), (370, 44132), (374, 43660), (407, 40120), (440, 37111), (472, 34595), (590, 27676), (629, 25960), (649, 25160), (680, 24013), (740, 22066), (748, 21830), (814, 20060), (935, 17464), (1003, 16280), (1180, 13838), (1258, 12980), (1298, 12580), (1480, 11033), (1496, 10915), (1628, 10030), (1870, 8732), (2006, 8140), (2035, 8024), (2183, 7480), (2360, 6919), (2516, 6490), (2596, 6290), (3145, 5192), (3245, 5032), (3256, 5015), (3740, 4366), (4012, 4070)]