68704480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 194322240

約数和(自身を除く): 125617760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 29, 32, 34, 40, 52, 58, 65, 67, 68, 80, 85, 104, 116, 130, 134, 136, 145, 160, 170, 208, 221, 232, 260, 268, 272, 290, 335, 340, 377, 416, 442, 464, 493, 520, 536, 544, 580, 670, 680, 754, 871, 884, 928, 986, 1040, 1072, 1105, 1139, 1160, 1340, 1360, 1508, 1742, 1768, 1885, 1943, 1972, 2080, 2144, 2210, 2278, 2320, 2465, 2680, 2720, 3016, 3484, 3536, 3770, 3886, 3944, 4355, 4420, 4556, 4640, 4930, 5360, 5695, 6032, 6409, 6968, 7072, 7540, 7772, 7888, 8710, 8840, 9112, 9715, 9860, 10720, 11390, 12064, 12818, 13936, 14807, 15080, 15544, 15776, 17420, 17680, 18224, 19430, 19720, 22780, 25259, 25636, 27872, 29614, 30160, 31088, 32045, 33031, 34840, 35360, 36448, 38860, 39440, 45560, 50518, 51272, 59228, 60320, 62176, 64090, 66062, 69680, 74035, 77720, 78880, 91120, 101036, 102544, 118456, 126295, 128180, 132124, 139360, 148070, 155440, 165155, 182240, 202072, 205088, 236912, 252590, 256360, 264248, 296140, 310880, 330310, 404144, 429403, 473824, 505180, 512720, 528496, 592280, 660620, 808288, 858806, 1010360, 1025440, 1056992, 1184560, 1321240, 1717612, 2020720, 2147015, 2369120, 2642480, 3435224, 4041440, 4294030, 5284960, 6870448, 8588060, 13740896, 17176120, 34352240, 68704480]

約数ペア:

[(1, 68704480), (2, 34352240), (4, 17176120), (5, 13740896), (8, 8588060), (10, 6870448), (13, 5284960), (16, 4294030), (17, 4041440), (20, 3435224), (26, 2642480), (29, 2369120), (32, 2147015), (34, 2020720), (40, 1717612), (52, 1321240), (58, 1184560), (65, 1056992), (67, 1025440), (68, 1010360), (80, 858806), (85, 808288), (104, 660620), (116, 592280), (130, 528496), (134, 512720), (136, 505180), (145, 473824), (160, 429403), (170, 404144), (208, 330310), (221, 310880), (232, 296140), (260, 264248), (268, 256360), (272, 252590), (290, 236912), (335, 205088), (340, 202072), (377, 182240), (416, 165155), (442, 155440), (464, 148070), (493, 139360), (520, 132124), (536, 128180), (544, 126295), (580, 118456), (670, 102544), (680, 101036), (754, 91120), (871, 78880), (884, 77720), (928, 74035), (986, 69680), (1040, 66062), (1072, 64090), (1105, 62176), (1139, 60320), (1160, 59228), (1340, 51272), (1360, 50518), (1508, 45560), (1742, 39440), (1768, 38860), (1885, 36448), (1943, 35360), (1972, 34840), (2080, 33031), (2144, 32045), (2210, 31088), (2278, 30160), (2320, 29614), (2465, 27872), (2680, 25636), (2720, 25259), (3016, 22780), (3484, 19720), (3536, 19430), (3770, 18224), (3886, 17680), (3944, 17420), (4355, 15776), (4420, 15544), (4556, 15080), (4640, 14807), (4930, 13936), (5360, 12818), (5695, 12064), (6032, 11390), (6409, 10720), (6968, 9860), (7072, 9715), (7540, 9112), (7772, 8840), (7888, 8710)]