79881960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 249194880

約数和(自身を除く): 169312920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 113, 120, 129, 137, 172, 215, 226, 258, 274, 339, 344, 411, 430, 452, 516, 548, 565, 645, 678, 685, 822, 860, 904, 1032, 1096, 1130, 1290, 1356, 1370, 1644, 1695, 1720, 2055, 2260, 2580, 2712, 2740, 3288, 3390, 4110, 4520, 4859, 5160, 5480, 5891, 6780, 8220, 9718, 11782, 13560, 14577, 15481, 16440, 17673, 19436, 23564, 24295, 29154, 29455, 30962, 35346, 38872, 46443, 47128, 48590, 58308, 58910, 61924, 70692, 72885, 77405, 88365, 92886, 97180, 116616, 117820, 123848, 141384, 145770, 154810, 176730, 185772, 194360, 232215, 235640, 291540, 309620, 353460, 371544, 464430, 583080, 619240, 665683, 706920, 928860, 1331366, 1857720, 1997049, 2662732, 3328415, 3994098, 5325464, 6656830, 7988196, 9985245, 13313660, 15976392, 19970490, 26627320, 39940980, 79881960]

約数ペア:

[(1, 79881960), (2, 39940980), (3, 26627320), (4, 19970490), (5, 15976392), (6, 13313660), (8, 9985245), (10, 7988196), (12, 6656830), (15, 5325464), (20, 3994098), (24, 3328415), (30, 2662732), (40, 1997049), (43, 1857720), (60, 1331366), (86, 928860), (113, 706920), (120, 665683), (129, 619240), (137, 583080), (172, 464430), (215, 371544), (226, 353460), (258, 309620), (274, 291540), (339, 235640), (344, 232215), (411, 194360), (430, 185772), (452, 176730), (516, 154810), (548, 145770), (565, 141384), (645, 123848), (678, 117820), (685, 116616), (822, 97180), (860, 92886), (904, 88365), (1032, 77405), (1096, 72885), (1130, 70692), (1290, 61924), (1356, 58910), (1370, 58308), (1644, 48590), (1695, 47128), (1720, 46443), (2055, 38872), (2260, 35346), (2580, 30962), (2712, 29455), (2740, 29154), (3288, 24295), (3390, 23564), (4110, 19436), (4520, 17673), (4859, 16440), (5160, 15481), (5480, 14577), (5891, 13560), (6780, 11782), (8220, 9718)]