280218960

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 320

約数和(自身を含む): 1131356160

約数和(自身を除く): 851137200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 108, 112, 120, 126, 129, 135, 140, 144, 168, 172, 180, 189, 210, 215, 216, 240, 252, 258, 270, 280, 301, 315, 336, 344, 360, 378, 387, 420, 430, 431, 432, 504, 516, 540, 560, 602, 630, 645, 688, 720, 756, 774, 840, 860, 862, 903, 945, 1008, 1032, 1080, 1161, 1204, 1260, 1290, 1293, 1505, 1512, 1548, 1680, 1720, 1724, 1806, 1890, 1935, 2064, 2155, 2160, 2322, 2408, 2520, 2580, 2586, 2709, 3010, 3017, 3024, 3096, 3440, 3448, 3612, 3780, 3870, 3879, 4310, 4515, 4644, 4816, 5040, 5160, 5172, 5418, 5805, 6020, 6034, 6192, 6465, 6896, 7224, 7560, 7740, 7758, 8127, 8620, 9030, 9051, 9288, 10320, 10344, 10836, 11610, 11637, 12040, 12068, 12930, 13545, 14448, 15085, 15120, 15480, 15516, 16254, 17240, 18060, 18102, 18533, 18576, 19395, 20688, 21672, 23220, 23274, 24080, 24136, 25860, 27090, 27153, 30170, 30960, 31032, 32508, 34480, 36120, 36204, 37066, 38790, 40635, 43344, 45255, 46440, 46548, 48272, 51720, 54180, 54306, 55599, 58185, 60340, 62064, 65016, 72240, 72408, 74132, 77580, 81270, 81459, 90510, 92665, 92880, 93096, 103440, 108360, 108612, 111198, 116370, 120680, 129731, 130032, 135765, 144816, 148264, 155160, 162540, 162918, 166797, 181020, 185330, 186192, 216720, 217224, 222396, 232740, 241360, 259462, 271530, 277995, 296528, 310320, 325080, 325836, 333594, 362040, 370660, 389193, 407295, 434448, 444792, 465480, 500391, 518924, 543060, 555990, 648655, 650160, 651672, 667188, 724080, 741320, 778386, 814590, 833985, 889584, 930960, 1000782, 1037848, 1086120, 1111980, 1167579, 1297310, 1303344, 1334376, 1482640, 1556772, 1629180, 1667970, 1945965, 2001564, 2075696, 2172240, 2223960, 2335158, 2501955, 2594620, 2668752, 3113544, 3258360, 3335940, 3502737, 3891930, 4003128, 4447920, 4670316, 5003910, 5189240, 5837895, 6227088, 6516720, 6671880, 7005474, 7783860, 8006256, 9340632, 10007820, 10378480, 11675790, 13343760, 14010948, 15567720, 17513685, 18681264, 20015640, 23351580, 28021896, 31135440, 35027370, 40031280, 46703160, 56043792, 70054740, 93406320, 140109480, 280218960]

約数ペア:

[(1, 280218960), (2, 140109480), (3, 93406320), (4, 70054740), (5, 56043792), (6, 46703160), (7, 40031280), (8, 35027370), (9, 31135440), (10, 28021896), (12, 23351580), (14, 20015640), (15, 18681264), (16, 17513685), (18, 15567720), (20, 14010948), (21, 13343760), (24, 11675790), (27, 10378480), (28, 10007820), (30, 9340632), (35, 8006256), (36, 7783860), (40, 7005474), (42, 6671880), (43, 6516720), (45, 6227088), (48, 5837895), (54, 5189240), (56, 5003910), (60, 4670316), (63, 4447920), (70, 4003128), (72, 3891930), (80, 3502737), (84, 3335940), (86, 3258360), (90, 3113544), (105, 2668752), (108, 2594620), (112, 2501955), (120, 2335158), (126, 2223960), (129, 2172240), (135, 2075696), (140, 2001564), (144, 1945965), (168, 1667970), (172, 1629180), (180, 1556772), (189, 1482640), (210, 1334376), (215, 1303344), (216, 1297310), (240, 1167579), (252, 1111980), (258, 1086120), (270, 1037848), (280, 1000782), (301, 930960), (315, 889584), (336, 833985), (344, 814590), (360, 778386), (378, 741320), (387, 724080), (420, 667188), (430, 651672), (431, 650160), (432, 648655), (504, 555990), (516, 543060), (540, 518924), (560, 500391), (602, 465480), (630, 444792), (645, 434448), (688, 407295), (720, 389193), (756, 370660), (774, 362040), (840, 333594), (860, 325836), (862, 325080), (903, 310320), (945, 296528), (1008, 277995), (1032, 271530), (1080, 259462), (1161, 241360), (1204, 232740), (1260, 222396), (1290, 217224), (1293, 216720), (1505, 186192), (1512, 185330), (1548, 181020), (1680, 166797), (1720, 162918), (1724, 162540), (1806, 155160), (1890, 148264), (1935, 144816), (2064, 135765), (2155, 130032), (2160, 129731), (2322, 120680), (2408, 116370), (2520, 111198), (2580, 108612), (2586, 108360), (2709, 103440), (3010, 93096), (3017, 92880), (3024, 92665), (3096, 90510), (3440, 81459), (3448, 81270), (3612, 77580), (3780, 74132), (3870, 72408), (3879, 72240), (4310, 65016), (4515, 62064), (4644, 60340), (4816, 58185), (5040, 55599), (5160, 54306), (5172, 54180), (5418, 51720), (5805, 48272), (6020, 46548), (6034, 46440), (6192, 45255), (6465, 43344), (6896, 40635), (7224, 38790), (7560, 37066), (7740, 36204), (7758, 36120), (8127, 34480), (8620, 32508), (9030, 31032), (9051, 30960), (9288, 30170), (10320, 27153), (10344, 27090), (10836, 25860), (11610, 24136), (11637, 24080), (12040, 23274), (12068, 23220), (12930, 21672), (13545, 20688), (14448, 19395), (15085, 18576), (15120, 18533), (15480, 18102), (15516, 18060), (16254, 17240)]