80288820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1709}}^1$

素因数の和:1759

約数の個数: 120

約数和(自身を含む): 260706600

約数和(自身を除く): 180417780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 783, 810, 870, 1044, 1305, 1566, 1620, 1709, 1740, 2349, 2610, 3132, 3418, 3915, 4698, 5127, 5220, 6836, 7830, 8545, 9396, 10254, 11745, 15381, 15660, 17090, 20508, 23490, 25635, 30762, 34180, 46143, 46980, 49561, 51270, 61524, 76905, 92286, 99122, 102540, 138429, 148683, 153810, 184572, 198244, 230715, 247805, 276858, 297366, 307620, 446049, 461430, 495610, 553716, 594732, 692145, 743415, 892098, 922860, 991220, 1338147, 1384290, 1486830, 1784196, 2230245, 2676294, 2768580, 2973660, 4014441, 4460490, 5352588, 6690735, 8028882, 8920980, 13381470, 16057764, 20072205, 26762940, 40144410, 80288820]

約数ペア:

[(1, 80288820), (2, 40144410), (3, 26762940), (4, 20072205), (5, 16057764), (6, 13381470), (9, 8920980), (10, 8028882), (12, 6690735), (15, 5352588), (18, 4460490), (20, 4014441), (27, 2973660), (29, 2768580), (30, 2676294), (36, 2230245), (45, 1784196), (54, 1486830), (58, 1384290), (60, 1338147), (81, 991220), (87, 922860), (90, 892098), (108, 743415), (116, 692145), (135, 594732), (145, 553716), (162, 495610), (174, 461430), (180, 446049), (261, 307620), (270, 297366), (290, 276858), (324, 247805), (348, 230715), (405, 198244), (435, 184572), (522, 153810), (540, 148683), (580, 138429), (783, 102540), (810, 99122), (870, 92286), (1044, 76905), (1305, 61524), (1566, 51270), (1620, 49561), (1709, 46980), (1740, 46143), (2349, 34180), (2610, 30762), (3132, 25635), (3418, 23490), (3915, 20508), (4698, 17090), (5127, 15660), (5220, 15381), (6836, 11745), (7830, 10254), (8545, 9396)]