285235440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{169783}}^1$

素因数の和:169806

約数の個数: 80

約数和(自身を含む): 1010554368

約数和(自身を除く): 725318928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 169783, 339566, 509349, 679132, 848915, 1018698, 1188481, 1358264, 1697830, 2037396, 2376962, 2546745, 2716528, 3395660, 3565443, 4074792, 4753924, 5093490, 5942405, 6791320, 7130886, 8149584, 9507848, 10186980, 11884810, 13582640, 14261772, 17827215, 19015696, 20373960, 23769620, 28523544, 35654430, 40747920, 47539240, 57047088, 71308860, 95078480, 142617720, 285235440]

約数ペア:

[(1, 285235440), (2, 142617720), (3, 95078480), (4, 71308860), (5, 57047088), (6, 47539240), (7, 40747920), (8, 35654430), (10, 28523544), (12, 23769620), (14, 20373960), (15, 19015696), (16, 17827215), (20, 14261772), (21, 13582640), (24, 11884810), (28, 10186980), (30, 9507848), (35, 8149584), (40, 7130886), (42, 6791320), (48, 5942405), (56, 5093490), (60, 4753924), (70, 4074792), (80, 3565443), (84, 3395660), (105, 2716528), (112, 2546745), (120, 2376962), (140, 2037396), (168, 1697830), (210, 1358264), (240, 1188481), (280, 1018698), (336, 848915), (420, 679132), (560, 509349), (840, 339566), (1680, 169783)]