78182720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 224

約数和(自身を含む): 245790720

約数和(自身を除く): 167608000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 160, 167, 176, 190, 209, 220, 224, 266, 280, 304, 308, 320, 334, 352, 380, 385, 418, 440, 448, 532, 560, 608, 616, 665, 668, 704, 760, 770, 835, 836, 880, 1045, 1064, 1120, 1169, 1216, 1232, 1330, 1336, 1463, 1520, 1540, 1670, 1672, 1760, 1837, 2090, 2128, 2240, 2338, 2464, 2660, 2672, 2926, 3040, 3080, 3173, 3340, 3344, 3520, 3674, 4180, 4256, 4676, 4928, 5320, 5344, 5845, 5852, 6080, 6160, 6346, 6680, 6688, 7315, 7348, 8360, 8512, 9185, 9352, 10640, 10688, 11690, 11704, 12320, 12692, 12859, 13360, 13376, 14630, 14696, 15865, 16720, 18370, 18704, 21280, 22211, 23380, 23408, 24640, 25384, 25718, 26720, 29260, 29392, 31730, 33440, 34903, 36740, 37408, 42560, 44422, 46760, 46816, 50768, 51436, 53440, 58520, 58784, 63460, 64295, 66880, 69806, 73480, 74816, 88844, 93520, 93632, 101536, 102872, 111055, 117040, 117568, 126920, 128590, 139612, 146960, 174515, 177688, 187040, 203072, 205744, 222110, 234080, 244321, 253840, 257180, 279224, 293920, 349030, 355376, 374080, 411488, 444220, 468160, 488642, 507680, 514360, 558448, 587840, 698060, 710752, 822976, 888440, 977284, 1015360, 1028720, 1116896, 1221605, 1396120, 1421504, 1776880, 1954568, 2057440, 2233792, 2443210, 2792240, 3553760, 3909136, 4114880, 4886420, 5584480, 7107520, 7818272, 9772840, 11168960, 15636544, 19545680, 39091360, 78182720]

約数ペア:

[(1, 78182720), (2, 39091360), (4, 19545680), (5, 15636544), (7, 11168960), (8, 9772840), (10, 7818272), (11, 7107520), (14, 5584480), (16, 4886420), (19, 4114880), (20, 3909136), (22, 3553760), (28, 2792240), (32, 2443210), (35, 2233792), (38, 2057440), (40, 1954568), (44, 1776880), (55, 1421504), (56, 1396120), (64, 1221605), (70, 1116896), (76, 1028720), (77, 1015360), (80, 977284), (88, 888440), (95, 822976), (110, 710752), (112, 698060), (133, 587840), (140, 558448), (152, 514360), (154, 507680), (160, 488642), (167, 468160), (176, 444220), (190, 411488), (209, 374080), (220, 355376), (224, 349030), (266, 293920), (280, 279224), (304, 257180), (308, 253840), (320, 244321), (334, 234080), (352, 222110), (380, 205744), (385, 203072), (418, 187040), (440, 177688), (448, 174515), (532, 146960), (560, 139612), (608, 128590), (616, 126920), (665, 117568), (668, 117040), (704, 111055), (760, 102872), (770, 101536), (835, 93632), (836, 93520), (880, 88844), (1045, 74816), (1064, 73480), (1120, 69806), (1169, 66880), (1216, 64295), (1232, 63460), (1330, 58784), (1336, 58520), (1463, 53440), (1520, 51436), (1540, 50768), (1670, 46816), (1672, 46760), (1760, 44422), (1837, 42560), (2090, 37408), (2128, 36740), (2240, 34903), (2338, 33440), (2464, 31730), (2660, 29392), (2672, 29260), (2926, 26720), (3040, 25718), (3080, 25384), (3173, 24640), (3340, 23408), (3344, 23380), (3520, 22211), (3674, 21280), (4180, 18704), (4256, 18370), (4676, 16720), (4928, 15865), (5320, 14696), (5344, 14630), (5845, 13376), (5852, 13360), (6080, 12859), (6160, 12692), (6346, 12320), (6680, 11704), (6688, 11690), (7315, 10688), (7348, 10640), (8360, 9352), (8512, 9185)]