489481920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:520

約数の個数: 224

約数和(自身を含む): 1741871040

約数和(自身を除く): 1252389120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 181, 192, 216, 240, 270, 288, 313, 320, 360, 362, 432, 480, 540, 543, 576, 626, 720, 724, 864, 905, 939, 960, 1080, 1086, 1252, 1440, 1448, 1565, 1629, 1728, 1810, 1878, 2160, 2172, 2504, 2715, 2817, 2880, 2896, 3130, 3258, 3620, 3756, 4320, 4344, 4695, 4887, 5008, 5430, 5634, 5792, 6260, 6516, 7240, 7512, 8145, 8451, 8640, 8688, 9390, 9774, 10016, 10860, 11268, 11584, 12520, 13032, 14085, 14480, 15024, 16290, 16902, 17376, 18780, 19548, 20032, 21720, 22536, 24435, 25040, 26064, 28170, 28960, 30048, 32580, 33804, 34752, 37560, 39096, 42255, 43440, 45072, 48870, 50080, 52128, 56340, 56653, 57920, 60096, 65160, 67608, 75120, 78192, 84510, 86880, 90144, 97740, 100160, 104256, 112680, 113306, 130320, 135216, 150240, 156384, 169020, 169959, 173760, 180288, 195480, 225360, 226612, 260640, 270432, 283265, 300480, 312768, 338040, 339918, 390960, 450720, 453224, 509877, 521280, 540864, 566530, 676080, 679836, 781920, 849795, 901440, 906448, 1019754, 1133060, 1352160, 1359672, 1529631, 1563840, 1699590, 1812896, 2039508, 2266120, 2549385, 2704320, 2719344, 3059262, 3399180, 3625792, 4079016, 4532240, 5098770, 5438688, 6118524, 6798360, 7648155, 8158032, 9064480, 10197540, 10877376, 12237048, 13596720, 15296310, 16316064, 18128960, 20395080, 24474096, 27193440, 30592620, 32632128, 40790160, 48948192, 54386880, 61185240, 81580320, 97896384, 122370480, 163160640, 244740960, 489481920]

約数ペア:

[(1, 489481920), (2, 244740960), (3, 163160640), (4, 122370480), (5, 97896384), (6, 81580320), (8, 61185240), (9, 54386880), (10, 48948192), (12, 40790160), (15, 32632128), (16, 30592620), (18, 27193440), (20, 24474096), (24, 20395080), (27, 18128960), (30, 16316064), (32, 15296310), (36, 13596720), (40, 12237048), (45, 10877376), (48, 10197540), (54, 9064480), (60, 8158032), (64, 7648155), (72, 6798360), (80, 6118524), (90, 5438688), (96, 5098770), (108, 4532240), (120, 4079016), (135, 3625792), (144, 3399180), (160, 3059262), (180, 2719344), (181, 2704320), (192, 2549385), (216, 2266120), (240, 2039508), (270, 1812896), (288, 1699590), (313, 1563840), (320, 1529631), (360, 1359672), (362, 1352160), (432, 1133060), (480, 1019754), (540, 906448), (543, 901440), (576, 849795), (626, 781920), (720, 679836), (724, 676080), (864, 566530), (905, 540864), (939, 521280), (960, 509877), (1080, 453224), (1086, 450720), (1252, 390960), (1440, 339918), (1448, 338040), (1565, 312768), (1629, 300480), (1728, 283265), (1810, 270432), (1878, 260640), (2160, 226612), (2172, 225360), (2504, 195480), (2715, 180288), (2817, 173760), (2880, 169959), (2896, 169020), (3130, 156384), (3258, 150240), (3620, 135216), (3756, 130320), (4320, 113306), (4344, 112680), (4695, 104256), (4887, 100160), (5008, 97740), (5430, 90144), (5634, 86880), (5792, 84510), (6260, 78192), (6516, 75120), (7240, 67608), (7512, 65160), (8145, 60096), (8451, 57920), (8640, 56653), (8688, 56340), (9390, 52128), (9774, 50080), (10016, 48870), (10860, 45072), (11268, 43440), (11584, 42255), (12520, 39096), (13032, 37560), (14085, 34752), (14480, 33804), (15024, 32580), (16290, 30048), (16902, 28960), (17376, 28170), (18780, 26064), (19548, 25040), (20032, 24435), (21720, 22536)]