68678640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 240

約数和(自身を含む): 253483776

約数和(自身を除く): 184805136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 48, 51, 60, 62, 68, 72, 80, 85, 90, 93, 102, 120, 124, 136, 144, 153, 155, 170, 180, 181, 186, 204, 240, 248, 255, 272, 279, 306, 310, 340, 360, 362, 372, 408, 465, 496, 510, 527, 543, 558, 612, 620, 680, 720, 724, 744, 765, 816, 905, 930, 1020, 1054, 1086, 1116, 1224, 1240, 1360, 1395, 1448, 1488, 1530, 1581, 1629, 1810, 1860, 2040, 2108, 2172, 2232, 2448, 2480, 2635, 2715, 2790, 2896, 3060, 3077, 3162, 3258, 3620, 3720, 4080, 4216, 4344, 4464, 4743, 5270, 5430, 5580, 5611, 6120, 6154, 6324, 6516, 7240, 7440, 7905, 8145, 8432, 8688, 9231, 9486, 10540, 10860, 11160, 11222, 12240, 12308, 12648, 13032, 14480, 15385, 15810, 16290, 16833, 18462, 18972, 21080, 21720, 22320, 22444, 23715, 24616, 25296, 26064, 27693, 28055, 30770, 31620, 32580, 33666, 36924, 37944, 42160, 43440, 44888, 46155, 47430, 49232, 50499, 55386, 56110, 61540, 63240, 65160, 67332, 73848, 75888, 84165, 89776, 92310, 94860, 95387, 100998, 110772, 112220, 123080, 126480, 130320, 134664, 138465, 147696, 168330, 184620, 189720, 190774, 201996, 221544, 224440, 246160, 252495, 269328, 276930, 286161, 336660, 369240, 379440, 381548, 403992, 443088, 448880, 476935, 504990, 553860, 572322, 673320, 738480, 763096, 807984, 858483, 953870, 1009980, 1107720, 1144644, 1346640, 1430805, 1526192, 1716966, 1907740, 2019960, 2215440, 2289288, 2861610, 3433932, 3815480, 4039920, 4292415, 4578576, 5723220, 6867864, 7630960, 8584830, 11446440, 13735728, 17169660, 22892880, 34339320, 68678640]

約数ペア:

[(1, 68678640), (2, 34339320), (3, 22892880), (4, 17169660), (5, 13735728), (6, 11446440), (8, 8584830), (9, 7630960), (10, 6867864), (12, 5723220), (15, 4578576), (16, 4292415), (17, 4039920), (18, 3815480), (20, 3433932), (24, 2861610), (30, 2289288), (31, 2215440), (34, 2019960), (36, 1907740), (40, 1716966), (45, 1526192), (48, 1430805), (51, 1346640), (60, 1144644), (62, 1107720), (68, 1009980), (72, 953870), (80, 858483), (85, 807984), (90, 763096), (93, 738480), (102, 673320), (120, 572322), (124, 553860), (136, 504990), (144, 476935), (153, 448880), (155, 443088), (170, 403992), (180, 381548), (181, 379440), (186, 369240), (204, 336660), (240, 286161), (248, 276930), (255, 269328), (272, 252495), (279, 246160), (306, 224440), (310, 221544), (340, 201996), (360, 190774), (362, 189720), (372, 184620), (408, 168330), (465, 147696), (496, 138465), (510, 134664), (527, 130320), (543, 126480), (558, 123080), (612, 112220), (620, 110772), (680, 100998), (720, 95387), (724, 94860), (744, 92310), (765, 89776), (816, 84165), (905, 75888), (930, 73848), (1020, 67332), (1054, 65160), (1086, 63240), (1116, 61540), (1224, 56110), (1240, 55386), (1360, 50499), (1395, 49232), (1448, 47430), (1488, 46155), (1530, 44888), (1581, 43440), (1629, 42160), (1810, 37944), (1860, 36924), (2040, 33666), (2108, 32580), (2172, 31620), (2232, 30770), (2448, 28055), (2480, 27693), (2635, 26064), (2715, 25296), (2790, 24616), (2896, 23715), (3060, 22444), (3077, 22320), (3162, 21720), (3258, 21080), (3620, 18972), (3720, 18462), (4080, 16833), (4216, 16290), (4344, 15810), (4464, 15385), (4743, 14480), (5270, 13032), (5430, 12648), (5580, 12308), (5611, 12240), (6120, 11222), (6154, 11160), (6324, 10860), (6516, 10540), (7240, 9486), (7440, 9231), (7905, 8688), (8145, 8432)]