68519520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 240

約数和(自身を含む): 256864608

約数和(自身を除く): 188345088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 204, 216, 240, 255, 270, 272, 288, 306, 311, 324, 340, 360, 405, 408, 432, 459, 480, 510, 540, 544, 612, 622, 648, 680, 720, 765, 810, 816, 864, 918, 933, 1020, 1080, 1224, 1244, 1296, 1360, 1377, 1440, 1530, 1555, 1620, 1632, 1836, 1866, 2040, 2160, 2295, 2448, 2488, 2592, 2720, 2754, 2799, 3060, 3110, 3240, 3672, 3732, 4080, 4320, 4590, 4665, 4896, 4976, 5287, 5508, 5598, 6120, 6220, 6480, 6885, 7344, 7464, 8160, 8397, 9180, 9330, 9952, 10574, 11016, 11196, 12240, 12440, 12960, 13770, 13995, 14688, 14928, 15861, 16794, 18360, 18660, 21148, 22032, 22392, 24480, 24880, 25191, 26435, 27540, 27990, 29856, 31722, 33588, 36720, 37320, 41985, 42296, 44064, 44784, 47583, 49760, 50382, 52870, 55080, 55980, 63444, 67176, 73440, 74640, 79305, 83970, 84592, 89568, 95166, 100764, 105740, 110160, 111960, 125955, 126888, 134352, 142749, 149280, 158610, 167940, 169184, 190332, 201528, 211480, 220320, 223920, 237915, 251910, 253776, 268704, 285498, 317220, 335880, 380664, 403056, 422960, 428247, 447840, 475830, 503820, 507552, 570996, 634440, 671760, 713745, 761328, 806112, 845920, 856494, 951660, 1007640, 1141992, 1268880, 1343520, 1427490, 1522656, 1712988, 1903320, 2015280, 2141235, 2283984, 2537760, 2854980, 3425976, 3806640, 4030560, 4282470, 4567968, 5709960, 6851952, 7613280, 8564940, 11419920, 13703904, 17129880, 22839840, 34259760, 68519520]

約数ペア:

[(1, 68519520), (2, 34259760), (3, 22839840), (4, 17129880), (5, 13703904), (6, 11419920), (8, 8564940), (9, 7613280), (10, 6851952), (12, 5709960), (15, 4567968), (16, 4282470), (17, 4030560), (18, 3806640), (20, 3425976), (24, 2854980), (27, 2537760), (30, 2283984), (32, 2141235), (34, 2015280), (36, 1903320), (40, 1712988), (45, 1522656), (48, 1427490), (51, 1343520), (54, 1268880), (60, 1141992), (68, 1007640), (72, 951660), (80, 856494), (81, 845920), (85, 806112), (90, 761328), (96, 713745), (102, 671760), (108, 634440), (120, 570996), (135, 507552), (136, 503820), (144, 475830), (153, 447840), (160, 428247), (162, 422960), (170, 403056), (180, 380664), (204, 335880), (216, 317220), (240, 285498), (255, 268704), (270, 253776), (272, 251910), (288, 237915), (306, 223920), (311, 220320), (324, 211480), (340, 201528), (360, 190332), (405, 169184), (408, 167940), (432, 158610), (459, 149280), (480, 142749), (510, 134352), (540, 126888), (544, 125955), (612, 111960), (622, 110160), (648, 105740), (680, 100764), (720, 95166), (765, 89568), (810, 84592), (816, 83970), (864, 79305), (918, 74640), (933, 73440), (1020, 67176), (1080, 63444), (1224, 55980), (1244, 55080), (1296, 52870), (1360, 50382), (1377, 49760), (1440, 47583), (1530, 44784), (1555, 44064), (1620, 42296), (1632, 41985), (1836, 37320), (1866, 36720), (2040, 33588), (2160, 31722), (2295, 29856), (2448, 27990), (2488, 27540), (2592, 26435), (2720, 25191), (2754, 24880), (2799, 24480), (3060, 22392), (3110, 22032), (3240, 21148), (3672, 18660), (3732, 18360), (4080, 16794), (4320, 15861), (4590, 14928), (4665, 14688), (4896, 13995), (4976, 13770), (5287, 12960), (5508, 12440), (5598, 12240), (6120, 11196), (6220, 11016), (6480, 10574), (6885, 9952), (7344, 9330), (7464, 9180), (8160, 8397)]