266643440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2417}}^1$

素因数の和:2634

約数の個数: 80

約数和(自身を含む): 712400832

約数和(自身を除く): 445757392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 985, 1379, 1576, 1970, 2417, 2758, 3152, 3940, 4834, 5516, 6895, 7880, 9668, 11032, 12085, 13790, 15760, 16919, 19336, 22064, 24170, 27580, 33838, 38672, 48340, 55160, 67676, 84595, 96680, 110320, 135352, 169190, 193360, 270704, 338380, 476149, 676760, 952298, 1353520, 1904596, 2380745, 3333043, 3809192, 4761490, 6666086, 7618384, 9522980, 13332172, 16665215, 19045960, 26664344, 33330430, 38091920, 53328688, 66660860, 133321720, 266643440]

約数ペア:

[(1, 266643440), (2, 133321720), (4, 66660860), (5, 53328688), (7, 38091920), (8, 33330430), (10, 26664344), (14, 19045960), (16, 16665215), (20, 13332172), (28, 9522980), (35, 7618384), (40, 6666086), (56, 4761490), (70, 3809192), (80, 3333043), (112, 2380745), (140, 1904596), (197, 1353520), (280, 952298), (394, 676760), (560, 476149), (788, 338380), (985, 270704), (1379, 193360), (1576, 169190), (1970, 135352), (2417, 110320), (2758, 96680), (3152, 84595), (3940, 67676), (4834, 55160), (5516, 48340), (6895, 38672), (7880, 33838), (9668, 27580), (11032, 24170), (12085, 22064), (13790, 19336), (15760, 16919)]