489287280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:823

約数の個数: 160

約数和(自身を含む): 1596754944

約数和(自身を除く): 1107467664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 137, 138, 184, 230, 240, 274, 276, 345, 368, 411, 460, 548, 552, 647, 685, 690, 822, 920, 1096, 1104, 1294, 1370, 1380, 1644, 1840, 1941, 2055, 2192, 2588, 2740, 2760, 3151, 3235, 3288, 3882, 4110, 5176, 5480, 5520, 6302, 6470, 6576, 7764, 8220, 9453, 9705, 10352, 10960, 12604, 12940, 14881, 15528, 15755, 16440, 18906, 19410, 25208, 25880, 29762, 31056, 31510, 32880, 37812, 38820, 44643, 47265, 50416, 51760, 59524, 63020, 74405, 75624, 77640, 88639, 89286, 94530, 119048, 126040, 148810, 151248, 155280, 177278, 178572, 189060, 223215, 238096, 252080, 265917, 297620, 354556, 357144, 378120, 443195, 446430, 531834, 595240, 709112, 714288, 756240, 886390, 892860, 1063668, 1190480, 1329585, 1418224, 1772780, 1785720, 2038697, 2127336, 2659170, 3545560, 3571440, 4077394, 4254672, 5318340, 6116091, 7091120, 8154788, 10193485, 10636680, 12232182, 16309576, 20386970, 21273360, 24464364, 30580455, 32619152, 40773940, 48928728, 61160910, 81547880, 97857456, 122321820, 163095760, 244643640, 489287280]

約数ペア:

[(1, 489287280), (2, 244643640), (3, 163095760), (4, 122321820), (5, 97857456), (6, 81547880), (8, 61160910), (10, 48928728), (12, 40773940), (15, 32619152), (16, 30580455), (20, 24464364), (23, 21273360), (24, 20386970), (30, 16309576), (40, 12232182), (46, 10636680), (48, 10193485), (60, 8154788), (69, 7091120), (80, 6116091), (92, 5318340), (115, 4254672), (120, 4077394), (137, 3571440), (138, 3545560), (184, 2659170), (230, 2127336), (240, 2038697), (274, 1785720), (276, 1772780), (345, 1418224), (368, 1329585), (411, 1190480), (460, 1063668), (548, 892860), (552, 886390), (647, 756240), (685, 714288), (690, 709112), (822, 595240), (920, 531834), (1096, 446430), (1104, 443195), (1294, 378120), (1370, 357144), (1380, 354556), (1644, 297620), (1840, 265917), (1941, 252080), (2055, 238096), (2192, 223215), (2588, 189060), (2740, 178572), (2760, 177278), (3151, 155280), (3235, 151248), (3288, 148810), (3882, 126040), (4110, 119048), (5176, 94530), (5480, 89286), (5520, 88639), (6302, 77640), (6470, 75624), (6576, 74405), (7764, 63020), (8220, 59524), (9453, 51760), (9705, 50416), (10352, 47265), (10960, 44643), (12604, 38820), (12940, 37812), (14881, 32880), (15528, 31510), (15755, 31056), (16440, 29762), (18906, 25880), (19410, 25208)]