256986360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:838

約数の個数: 192

約数和(自身を含む): 893954880

約数和(自身を除く): 636968520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 41, 45, 46, 60, 69, 72, 82, 90, 92, 115, 120, 123, 138, 164, 180, 184, 205, 207, 230, 246, 276, 328, 345, 360, 369, 410, 414, 460, 492, 552, 615, 690, 738, 757, 820, 828, 920, 943, 984, 1035, 1230, 1380, 1476, 1514, 1640, 1656, 1845, 1886, 2070, 2271, 2460, 2760, 2829, 2952, 3028, 3690, 3772, 3785, 4140, 4542, 4715, 4920, 5658, 6056, 6813, 7380, 7544, 7570, 8280, 8487, 9084, 9430, 11316, 11355, 13626, 14145, 14760, 15140, 16974, 17411, 18168, 18860, 22632, 22710, 27252, 28290, 30280, 31037, 33948, 34065, 34822, 37720, 42435, 45420, 52233, 54504, 56580, 62074, 67896, 68130, 69644, 84870, 87055, 90840, 93111, 104466, 113160, 124148, 136260, 139288, 155185, 156699, 169740, 174110, 186222, 208932, 248296, 261165, 272520, 279333, 310370, 313398, 339480, 348220, 372444, 417864, 465555, 522330, 558666, 620740, 626796, 696440, 713851, 744888, 783495, 931110, 1044660, 1117332, 1241480, 1253592, 1396665, 1427702, 1566990, 1862220, 2089320, 2141553, 2234664, 2793330, 2855404, 3133980, 3569255, 3724440, 4283106, 5586660, 5710808, 6267960, 6424659, 7138510, 8566212, 10707765, 11173320, 12849318, 14277020, 17132424, 21415530, 25698636, 28554040, 32123295, 42831060, 51397272, 64246590, 85662120, 128493180, 256986360]

約数ペア:

[(1, 256986360), (2, 128493180), (3, 85662120), (4, 64246590), (5, 51397272), (6, 42831060), (8, 32123295), (9, 28554040), (10, 25698636), (12, 21415530), (15, 17132424), (18, 14277020), (20, 12849318), (23, 11173320), (24, 10707765), (30, 8566212), (36, 7138510), (40, 6424659), (41, 6267960), (45, 5710808), (46, 5586660), (60, 4283106), (69, 3724440), (72, 3569255), (82, 3133980), (90, 2855404), (92, 2793330), (115, 2234664), (120, 2141553), (123, 2089320), (138, 1862220), (164, 1566990), (180, 1427702), (184, 1396665), (205, 1253592), (207, 1241480), (230, 1117332), (246, 1044660), (276, 931110), (328, 783495), (345, 744888), (360, 713851), (369, 696440), (410, 626796), (414, 620740), (460, 558666), (492, 522330), (552, 465555), (615, 417864), (690, 372444), (738, 348220), (757, 339480), (820, 313398), (828, 310370), (920, 279333), (943, 272520), (984, 261165), (1035, 248296), (1230, 208932), (1380, 186222), (1476, 174110), (1514, 169740), (1640, 156699), (1656, 155185), (1845, 139288), (1886, 136260), (2070, 124148), (2271, 113160), (2460, 104466), (2760, 93111), (2829, 90840), (2952, 87055), (3028, 84870), (3690, 69644), (3772, 68130), (3785, 67896), (4140, 62074), (4542, 56580), (4715, 54504), (4920, 52233), (5658, 45420), (6056, 42435), (6813, 37720), (7380, 34822), (7544, 34065), (7570, 33948), (8280, 31037), (8487, 30280), (9084, 28290), (9430, 27252), (11316, 22710), (11355, 22632), (13626, 18860), (14145, 18168), (14760, 17411), (15140, 16974)]