640862880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6577}}^1$

素因数の和:6631

約数の個数: 192

約数和(自身を含む): 2387024640

約数和(自身を除く): 1746161760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 96, 105, 112, 116, 120, 140, 145, 160, 168, 174, 203, 210, 224, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 480, 560, 580, 609, 672, 696, 812, 840, 870, 928, 1015, 1120, 1160, 1218, 1392, 1624, 1680, 1740, 2030, 2320, 2436, 2784, 3045, 3248, 3360, 3480, 4060, 4640, 4872, 6090, 6496, 6577, 6960, 8120, 9744, 12180, 13154, 13920, 16240, 19488, 19731, 24360, 26308, 32480, 32885, 39462, 46039, 48720, 52616, 65770, 78924, 92078, 97440, 98655, 105232, 131540, 138117, 157848, 184156, 190733, 197310, 210464, 230195, 263080, 276234, 315696, 368312, 381466, 394620, 460390, 526160, 552468, 572199, 631392, 690585, 736624, 762932, 789240, 920780, 953665, 1052320, 1104936, 1144398, 1335131, 1381170, 1473248, 1525864, 1578480, 1841560, 1907330, 2209872, 2288796, 2670262, 2762340, 2860995, 3051728, 3156960, 3683120, 3814660, 4005393, 4419744, 4577592, 5340524, 5524680, 5721990, 6103456, 6675655, 7366240, 7629320, 8010786, 9155184, 10681048, 11049360, 11443980, 13351310, 15258640, 16021572, 18310368, 20026965, 21362096, 22098720, 22887960, 26702620, 30517280, 32043144, 40053930, 42724192, 45775920, 53405240, 64086288, 80107860, 91551840, 106810480, 128172576, 160215720, 213620960, 320431440, 640862880]

約数ペア:

[(1, 640862880), (2, 320431440), (3, 213620960), (4, 160215720), (5, 128172576), (6, 106810480), (7, 91551840), (8, 80107860), (10, 64086288), (12, 53405240), (14, 45775920), (15, 42724192), (16, 40053930), (20, 32043144), (21, 30517280), (24, 26702620), (28, 22887960), (29, 22098720), (30, 21362096), (32, 20026965), (35, 18310368), (40, 16021572), (42, 15258640), (48, 13351310), (56, 11443980), (58, 11049360), (60, 10681048), (70, 9155184), (80, 8010786), (84, 7629320), (87, 7366240), (96, 6675655), (105, 6103456), (112, 5721990), (116, 5524680), (120, 5340524), (140, 4577592), (145, 4419744), (160, 4005393), (168, 3814660), (174, 3683120), (203, 3156960), (210, 3051728), (224, 2860995), (232, 2762340), (240, 2670262), (280, 2288796), (290, 2209872), (336, 1907330), (348, 1841560), (406, 1578480), (420, 1525864), (435, 1473248), (464, 1381170), (480, 1335131), (560, 1144398), (580, 1104936), (609, 1052320), (672, 953665), (696, 920780), (812, 789240), (840, 762932), (870, 736624), (928, 690585), (1015, 631392), (1120, 572199), (1160, 552468), (1218, 526160), (1392, 460390), (1624, 394620), (1680, 381466), (1740, 368312), (2030, 315696), (2320, 276234), (2436, 263080), (2784, 230195), (3045, 210464), (3248, 197310), (3360, 190733), (3480, 184156), (4060, 157848), (4640, 138117), (4872, 131540), (6090, 105232), (6496, 98655), (6577, 97440), (6960, 92078), (8120, 78924), (9744, 65770), (12180, 52616), (13154, 48720), (13920, 46039), (16240, 39462), (19488, 32885), (19731, 32480), (24360, 26308)]