128393440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 192

約数和(自身を含む): 370137600

約数和(自身を除く): 241744160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 59, 67, 70, 80, 112, 116, 118, 134, 140, 145, 160, 203, 224, 232, 236, 268, 280, 290, 295, 335, 406, 413, 464, 469, 472, 536, 560, 580, 590, 670, 812, 826, 928, 938, 944, 1015, 1072, 1120, 1160, 1180, 1340, 1624, 1652, 1711, 1876, 1888, 1943, 2030, 2065, 2144, 2320, 2345, 2360, 2680, 3248, 3304, 3422, 3752, 3886, 3953, 4060, 4130, 4640, 4690, 4720, 5360, 6496, 6608, 6844, 7504, 7772, 7906, 8120, 8260, 8555, 9380, 9440, 9715, 10720, 11977, 13216, 13601, 13688, 15008, 15544, 15812, 16240, 16520, 17110, 18760, 19430, 19765, 23954, 27202, 27376, 27671, 31088, 31624, 32480, 33040, 34220, 37520, 38860, 39530, 47908, 54404, 54752, 55342, 59885, 62176, 63248, 66080, 68005, 68440, 75040, 77720, 79060, 95816, 108808, 110684, 114637, 119770, 126496, 136010, 136880, 138355, 155440, 158120, 191632, 217616, 221368, 229274, 239540, 272020, 273760, 276710, 310880, 316240, 383264, 435232, 442736, 458548, 479080, 544040, 553420, 573185, 632480, 802459, 885472, 917096, 958160, 1088080, 1106840, 1146370, 1604918, 1834192, 1916320, 2176160, 2213680, 2292740, 3209836, 3668384, 4012295, 4427360, 4585480, 6419672, 8024590, 9170960, 12839344, 16049180, 18341920, 25678688, 32098360, 64196720, 128393440]

約数ペア:

[(1, 128393440), (2, 64196720), (4, 32098360), (5, 25678688), (7, 18341920), (8, 16049180), (10, 12839344), (14, 9170960), (16, 8024590), (20, 6419672), (28, 4585480), (29, 4427360), (32, 4012295), (35, 3668384), (40, 3209836), (56, 2292740), (58, 2213680), (59, 2176160), (67, 1916320), (70, 1834192), (80, 1604918), (112, 1146370), (116, 1106840), (118, 1088080), (134, 958160), (140, 917096), (145, 885472), (160, 802459), (203, 632480), (224, 573185), (232, 553420), (236, 544040), (268, 479080), (280, 458548), (290, 442736), (295, 435232), (335, 383264), (406, 316240), (413, 310880), (464, 276710), (469, 273760), (472, 272020), (536, 239540), (560, 229274), (580, 221368), (590, 217616), (670, 191632), (812, 158120), (826, 155440), (928, 138355), (938, 136880), (944, 136010), (1015, 126496), (1072, 119770), (1120, 114637), (1160, 110684), (1180, 108808), (1340, 95816), (1624, 79060), (1652, 77720), (1711, 75040), (1876, 68440), (1888, 68005), (1943, 66080), (2030, 63248), (2065, 62176), (2144, 59885), (2320, 55342), (2345, 54752), (2360, 54404), (2680, 47908), (3248, 39530), (3304, 38860), (3422, 37520), (3752, 34220), (3886, 33040), (3953, 32480), (4060, 31624), (4130, 31088), (4640, 27671), (4690, 27376), (4720, 27202), (5360, 23954), (6496, 19765), (6608, 19430), (6844, 18760), (7504, 17110), (7772, 16520), (7906, 16240), (8120, 15812), (8260, 15544), (8555, 15008), (9380, 13688), (9440, 13601), (9715, 13216), (10720, 11977)]