68653620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 216

約数和(自身を含む): 251212416

約数和(自身を除く): 182558796

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 103, 105, 115, 126, 138, 140, 161, 180, 206, 207, 210, 230, 252, 276, 309, 315, 322, 345, 412, 414, 420, 460, 483, 515, 529, 618, 630, 644, 690, 721, 805, 828, 927, 966, 1030, 1035, 1058, 1236, 1260, 1380, 1442, 1449, 1545, 1587, 1610, 1854, 1932, 2060, 2070, 2116, 2163, 2369, 2415, 2645, 2884, 2898, 3090, 3174, 3220, 3605, 3703, 3708, 4140, 4326, 4635, 4738, 4761, 4830, 5290, 5796, 6180, 6348, 6489, 7107, 7210, 7245, 7406, 7935, 8652, 9270, 9476, 9522, 9660, 10580, 10815, 11109, 11845, 12978, 14214, 14420, 14490, 14812, 15870, 16583, 18515, 18540, 19044, 21321, 21630, 22218, 23690, 23805, 25956, 28428, 28980, 31740, 32445, 33166, 33327, 35535, 37030, 42642, 43260, 44436, 47380, 47610, 49749, 54487, 55545, 64890, 66332, 66654, 71070, 74060, 82915, 85284, 95220, 99498, 106605, 108974, 111090, 129780, 133308, 142140, 149247, 163461, 165830, 166635, 198996, 213210, 217948, 222180, 248745, 272435, 298494, 326922, 331660, 333270, 381409, 426420, 490383, 497490, 544870, 596988, 653844, 666540, 746235, 762818, 817305, 980766, 994980, 1089740, 1144227, 1492470, 1525636, 1634610, 1907045, 1961532, 2288454, 2451915, 2984940, 3269220, 3432681, 3814090, 4576908, 4903830, 5721135, 6865362, 7628180, 9807660, 11442270, 13730724, 17163405, 22884540, 34326810, 68653620]

約数ペア:

[(1, 68653620), (2, 34326810), (3, 22884540), (4, 17163405), (5, 13730724), (6, 11442270), (7, 9807660), (9, 7628180), (10, 6865362), (12, 5721135), (14, 4903830), (15, 4576908), (18, 3814090), (20, 3432681), (21, 3269220), (23, 2984940), (28, 2451915), (30, 2288454), (35, 1961532), (36, 1907045), (42, 1634610), (45, 1525636), (46, 1492470), (60, 1144227), (63, 1089740), (69, 994980), (70, 980766), (84, 817305), (90, 762818), (92, 746235), (103, 666540), (105, 653844), (115, 596988), (126, 544870), (138, 497490), (140, 490383), (161, 426420), (180, 381409), (206, 333270), (207, 331660), (210, 326922), (230, 298494), (252, 272435), (276, 248745), (309, 222180), (315, 217948), (322, 213210), (345, 198996), (412, 166635), (414, 165830), (420, 163461), (460, 149247), (483, 142140), (515, 133308), (529, 129780), (618, 111090), (630, 108974), (644, 106605), (690, 99498), (721, 95220), (805, 85284), (828, 82915), (927, 74060), (966, 71070), (1030, 66654), (1035, 66332), (1058, 64890), (1236, 55545), (1260, 54487), (1380, 49749), (1442, 47610), (1449, 47380), (1545, 44436), (1587, 43260), (1610, 42642), (1854, 37030), (1932, 35535), (2060, 33327), (2070, 33166), (2116, 32445), (2163, 31740), (2369, 28980), (2415, 28428), (2645, 25956), (2884, 23805), (2898, 23690), (3090, 22218), (3174, 21630), (3220, 21321), (3605, 19044), (3703, 18540), (3708, 18515), (4140, 16583), (4326, 15870), (4635, 14812), (4738, 14490), (4761, 14420), (4830, 14214), (5290, 12978), (5796, 11845), (6180, 11109), (6348, 10815), (6489, 10580), (7107, 9660), (7210, 9522), (7245, 9476), (7406, 9270), (7935, 8652)]