8920980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1709}}^1$

素因数の和:1753

約数の個数: 72

約数和(自身を含む): 28009800

約数和(自身を除く): 19088820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1709, 1740, 2610, 3418, 5127, 5220, 6836, 8545, 10254, 15381, 17090, 20508, 25635, 30762, 34180, 49561, 51270, 61524, 76905, 99122, 102540, 148683, 153810, 198244, 247805, 297366, 307620, 446049, 495610, 594732, 743415, 892098, 991220, 1486830, 1784196, 2230245, 2973660, 4460490, 8920980]

約数ペア:

[(1, 8920980), (2, 4460490), (3, 2973660), (4, 2230245), (5, 1784196), (6, 1486830), (9, 991220), (10, 892098), (12, 743415), (15, 594732), (18, 495610), (20, 446049), (29, 307620), (30, 297366), (36, 247805), (45, 198244), (58, 153810), (60, 148683), (87, 102540), (90, 99122), (116, 76905), (145, 61524), (174, 51270), (180, 49561), (261, 34180), (290, 30762), (348, 25635), (435, 20508), (522, 17090), (580, 15381), (870, 10254), (1044, 8545), (1305, 6836), (1709, 5220), (1740, 5127), (2610, 3418)]