68458880

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 198838800

約数和(自身を除く): 130379920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 59, 64, 70, 74, 80, 98, 112, 118, 128, 140, 148, 160, 185, 196, 224, 236, 245, 259, 280, 295, 296, 320, 370, 392, 413, 448, 472, 490, 518, 560, 590, 592, 640, 740, 784, 826, 896, 944, 980, 1036, 1120, 1180, 1184, 1295, 1480, 1568, 1652, 1813, 1888, 1960, 2065, 2072, 2183, 2240, 2360, 2368, 2590, 2891, 2960, 3136, 3304, 3626, 3776, 3920, 4130, 4144, 4366, 4480, 4720, 4736, 5180, 5782, 5920, 6272, 6608, 7252, 7552, 7840, 8260, 8288, 8732, 9065, 9440, 10360, 10915, 11564, 11840, 13216, 14455, 14504, 15281, 15680, 16520, 16576, 17464, 18130, 18880, 20720, 21830, 23128, 23680, 26432, 28910, 29008, 30562, 31360, 33040, 33152, 34928, 36260, 37760, 41440, 43660, 46256, 52864, 57820, 58016, 61124, 66080, 69856, 72520, 76405, 82880, 87320, 92512, 106967, 115640, 116032, 122248, 132160, 139712, 145040, 152810, 165760, 174640, 185024, 213934, 231280, 232064, 244496, 264320, 279424, 290080, 305620, 349280, 370048, 427868, 462560, 488992, 534835, 580160, 611240, 698560, 855736, 925120, 977984, 1069670, 1160320, 1222480, 1397120, 1711472, 1850240, 1955968, 2139340, 2444960, 3422944, 4278680, 4889920, 6845888, 8557360, 9779840, 13691776, 17114720, 34229440, 68458880]

約数ペア:

[(1, 68458880), (2, 34229440), (4, 17114720), (5, 13691776), (7, 9779840), (8, 8557360), (10, 6845888), (14, 4889920), (16, 4278680), (20, 3422944), (28, 2444960), (32, 2139340), (35, 1955968), (37, 1850240), (40, 1711472), (49, 1397120), (56, 1222480), (59, 1160320), (64, 1069670), (70, 977984), (74, 925120), (80, 855736), (98, 698560), (112, 611240), (118, 580160), (128, 534835), (140, 488992), (148, 462560), (160, 427868), (185, 370048), (196, 349280), (224, 305620), (236, 290080), (245, 279424), (259, 264320), (280, 244496), (295, 232064), (296, 231280), (320, 213934), (370, 185024), (392, 174640), (413, 165760), (448, 152810), (472, 145040), (490, 139712), (518, 132160), (560, 122248), (590, 116032), (592, 115640), (640, 106967), (740, 92512), (784, 87320), (826, 82880), (896, 76405), (944, 72520), (980, 69856), (1036, 66080), (1120, 61124), (1180, 58016), (1184, 57820), (1295, 52864), (1480, 46256), (1568, 43660), (1652, 41440), (1813, 37760), (1888, 36260), (1960, 34928), (2065, 33152), (2072, 33040), (2183, 31360), (2240, 30562), (2360, 29008), (2368, 28910), (2590, 26432), (2891, 23680), (2960, 23128), (3136, 21830), (3304, 20720), (3626, 18880), (3776, 18130), (3920, 17464), (4130, 16576), (4144, 16520), (4366, 15680), (4480, 15281), (4720, 14504), (4736, 14455), (5180, 13216), (5782, 11840), (5920, 11564), (6272, 10915), (6608, 10360), (7252, 9440), (7552, 9065), (7840, 8732), (8260, 8288)]