3122840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 8467200

約数和(自身を除く): 5344360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 587, 665, 760, 1064, 1174, 1330, 2348, 2660, 2935, 4109, 4696, 5320, 5870, 8218, 11153, 11740, 16436, 20545, 22306, 23480, 32872, 41090, 44612, 55765, 78071, 82180, 89224, 111530, 156142, 164360, 223060, 312284, 390355, 446120, 624568, 780710, 1561420, 3122840]

約数ペア:

[(1, 3122840), (2, 1561420), (4, 780710), (5, 624568), (7, 446120), (8, 390355), (10, 312284), (14, 223060), (19, 164360), (20, 156142), (28, 111530), (35, 89224), (38, 82180), (40, 78071), (56, 55765), (70, 44612), (76, 41090), (95, 32872), (133, 23480), (140, 22306), (152, 20545), (190, 16436), (266, 11740), (280, 11153), (380, 8218), (532, 5870), (587, 5320), (665, 4696), (760, 4109), (1064, 2935), (1174, 2660), (1330, 2348)]