142617720

素因数分解:

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

素因数の和:169804

約数の個数: 64

約数和(自身を含む): 488977920

約数和(自身を除く): 346360200

約数列:

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

約数ペア:

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