1312480280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{38557}}^1$

素因数の和:38628

約数の個数: 64

約数和(自身を含む): 3164840640

約数和(自身を除く): 1852360360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 3404, 4255, 6808, 8510, 17020, 34040, 38557, 77114, 154228, 192785, 308456, 385570, 771140, 886811, 1426609, 1542280, 1773622, 2853218, 3547244, 4434055, 5706436, 7094488, 7133045, 8868110, 11412872, 14266090, 17736220, 28532180, 32812007, 35472440, 57064360, 65624014, 131248028, 164060035, 262496056, 328120070, 656240140, 1312480280]

約数ペア:

[(1, 1312480280), (2, 656240140), (4, 328120070), (5, 262496056), (8, 164060035), (10, 131248028), (20, 65624014), (23, 57064360), (37, 35472440), (40, 32812007), (46, 28532180), (74, 17736220), (92, 14266090), (115, 11412872), (148, 8868110), (184, 7133045), (185, 7094488), (230, 5706436), (296, 4434055), (370, 3547244), (460, 2853218), (740, 1773622), (851, 1542280), (920, 1426609), (1480, 886811), (1702, 771140), (3404, 385570), (4255, 308456), (6808, 192785), (8510, 154228), (17020, 77114), (34040, 38557)]