1279139040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:687

約数の個数: 240

約数和(自身を含む): 4544527680

約数和(自身を除く): 3265388640

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 229, 240, 270, 288, 324, 360, 405, 431, 432, 458, 480, 540, 648, 687, 720, 810, 862, 864, 916, 1080, 1145, 1293, 1296, 1374, 1440, 1620, 1724, 1832, 2061, 2155, 2160, 2290, 2586, 2592, 2748, 3240, 3435, 3448, 3664, 3879, 4122, 4310, 4320, 4580, 5172, 5496, 6183, 6465, 6480, 6870, 6896, 7328, 7758, 8244, 8620, 9160, 10305, 10344, 10992, 11637, 12366, 12930, 12960, 13740, 13792, 15516, 16488, 17240, 18320, 18549, 19395, 20610, 20688, 21984, 23274, 24732, 25860, 27480, 30915, 31032, 32976, 34480, 34911, 36640, 37098, 38790, 41220, 41376, 46548, 49464, 51720, 54960, 58185, 61830, 62064, 65952, 68960, 69822, 74196, 77580, 82440, 92745, 93096, 98699, 98928, 103440, 109920, 116370, 123660, 124128, 139644, 148392, 155160, 164880, 174555, 185490, 186192, 197398, 197856, 206880, 232740, 247320, 279288, 296097, 296784, 310320, 329760, 349110, 370980, 372384, 394796, 465480, 493495, 494640, 558576, 592194, 593568, 620640, 698220, 741960, 789592, 888291, 930960, 986990, 989280, 1117152, 1184388, 1396440, 1480485, 1483920, 1579184, 1776582, 1861920, 1973980, 2368776, 2664873, 2792880, 2960970, 2967840, 3158368, 3553164, 3947960, 4441455, 4737552, 5329746, 5585760, 5921940, 7106328, 7895920, 7994619, 8882910, 9475104, 10659492, 11843880, 13324365, 14212656, 15791840, 15989238, 17765820, 21318984, 23687760, 26648730, 28425312, 31978476, 35531640, 39973095, 42637968, 47375520, 53297460, 63956952, 71063280, 79946190, 85275936, 106594920, 127913904, 142126560, 159892380, 213189840, 255827808, 319784760, 426379680, 639569520, 1279139040]

約数ペア:

[(1, 1279139040), (2, 639569520), (3, 426379680), (4, 319784760), (5, 255827808), (6, 213189840), (8, 159892380), (9, 142126560), (10, 127913904), (12, 106594920), (15, 85275936), (16, 79946190), (18, 71063280), (20, 63956952), (24, 53297460), (27, 47375520), (30, 42637968), (32, 39973095), (36, 35531640), (40, 31978476), (45, 28425312), (48, 26648730), (54, 23687760), (60, 21318984), (72, 17765820), (80, 15989238), (81, 15791840), (90, 14212656), (96, 13324365), (108, 11843880), (120, 10659492), (135, 9475104), (144, 8882910), (160, 7994619), (162, 7895920), (180, 7106328), (216, 5921940), (229, 5585760), (240, 5329746), (270, 4737552), (288, 4441455), (324, 3947960), (360, 3553164), (405, 3158368), (431, 2967840), (432, 2960970), (458, 2792880), (480, 2664873), (540, 2368776), (648, 1973980), (687, 1861920), (720, 1776582), (810, 1579184), (862, 1483920), (864, 1480485), (916, 1396440), (1080, 1184388), (1145, 1117152), (1293, 989280), (1296, 986990), (1374, 930960), (1440, 888291), (1620, 789592), (1724, 741960), (1832, 698220), (2061, 620640), (2155, 593568), (2160, 592194), (2290, 558576), (2586, 494640), (2592, 493495), (2748, 465480), (3240, 394796), (3435, 372384), (3448, 370980), (3664, 349110), (3879, 329760), (4122, 310320), (4310, 296784), (4320, 296097), (4580, 279288), (5172, 247320), (5496, 232740), (6183, 206880), (6465, 197856), (6480, 197398), (6870, 186192), (6896, 185490), (7328, 174555), (7758, 164880), (8244, 155160), (8620, 148392), (9160, 139644), (10305, 124128), (10344, 123660), (10992, 116370), (11637, 109920), (12366, 103440), (12930, 98928), (12960, 98699), (13740, 93096), (13792, 92745), (15516, 82440), (16488, 77580), (17240, 74196), (18320, 69822), (18549, 68960), (19395, 65952), (20610, 62064), (20688, 61830), (21984, 58185), (23274, 54960), (24732, 51720), (25860, 49464), (27480, 46548), (30915, 41376), (31032, 41220), (32976, 38790), (34480, 37098), (34911, 36640)]