139281240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{165811}}^1$

素因数の和:165832

約数の個数: 64

約数和(自身を含む): 477538560

約数和(自身を除く): 338257320

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, 165811, 331622, 497433, 663244, 829055, 994866, 1160677, 1326488, 1658110, 1989732, 2321354, 2487165, 3316220, 3482031, 3979464, 4642708, 4974330, 5803385, 6632440, 6964062, 9285416, 9948660, 11606770, 13928124, 17410155, 19897320, 23213540, 27856248, 34820310, 46427080, 69640620, 139281240]

約数ペア:

[(1, 139281240), (2, 69640620), (3, 46427080), (4, 34820310), (5, 27856248), (6, 23213540), (7, 19897320), (8, 17410155), (10, 13928124), (12, 11606770), (14, 9948660), (15, 9285416), (20, 6964062), (21, 6632440), (24, 5803385), (28, 4974330), (30, 4642708), (35, 3979464), (40, 3482031), (42, 3316220), (56, 2487165), (60, 2321354), (70, 1989732), (84, 1658110), (105, 1326488), (120, 1160677), (140, 994866), (168, 829055), (210, 663244), (280, 497433), (420, 331622), (840, 165811)]