68071680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 216

約数和(自身を含む): 248713920

約数和(自身を除く): 180642240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 311, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 622, 640, 684, 720, 760, 768, 855, 912, 933, 960, 1140, 1152, 1216, 1244, 1280, 1368, 1440, 1520, 1555, 1710, 1824, 1866, 1920, 2280, 2304, 2432, 2488, 2736, 2799, 2880, 3040, 3110, 3420, 3648, 3732, 3840, 4560, 4665, 4864, 4976, 5472, 5598, 5760, 5909, 6080, 6220, 6840, 7296, 7464, 9120, 9330, 9952, 10944, 11196, 11520, 11818, 12160, 12440, 13680, 13995, 14592, 14928, 17727, 18240, 18660, 19904, 21888, 22392, 23636, 24320, 24880, 27360, 27990, 29545, 29856, 35454, 36480, 37320, 39808, 43776, 44784, 47272, 49760, 53181, 54720, 55980, 59090, 59712, 70908, 72960, 74640, 79616, 88635, 89568, 94544, 99520, 106362, 109440, 111960, 118180, 119424, 141816, 149280, 177270, 179136, 189088, 199040, 212724, 218880, 223920, 236360, 238848, 265905, 283632, 298560, 354540, 358272, 378176, 398080, 425448, 447840, 472720, 531810, 567264, 597120, 709080, 716544, 756352, 850896, 895680, 945440, 1063620, 1134528, 1194240, 1418160, 1512704, 1701792, 1791360, 1890880, 2127240, 2269056, 2836320, 3403584, 3582720, 3781760, 4254480, 4538112, 5672640, 6807168, 7563520, 8508960, 11345280, 13614336, 17017920, 22690560, 34035840, 68071680]

約数ペア:

[(1, 68071680), (2, 34035840), (3, 22690560), (4, 17017920), (5, 13614336), (6, 11345280), (8, 8508960), (9, 7563520), (10, 6807168), (12, 5672640), (15, 4538112), (16, 4254480), (18, 3781760), (19, 3582720), (20, 3403584), (24, 2836320), (30, 2269056), (32, 2127240), (36, 1890880), (38, 1791360), (40, 1701792), (45, 1512704), (48, 1418160), (57, 1194240), (60, 1134528), (64, 1063620), (72, 945440), (76, 895680), (80, 850896), (90, 756352), (95, 716544), (96, 709080), (114, 597120), (120, 567264), (128, 531810), (144, 472720), (152, 447840), (160, 425448), (171, 398080), (180, 378176), (190, 358272), (192, 354540), (228, 298560), (240, 283632), (256, 265905), (285, 238848), (288, 236360), (304, 223920), (311, 218880), (320, 212724), (342, 199040), (360, 189088), (380, 179136), (384, 177270), (456, 149280), (480, 141816), (570, 119424), (576, 118180), (608, 111960), (622, 109440), (640, 106362), (684, 99520), (720, 94544), (760, 89568), (768, 88635), (855, 79616), (912, 74640), (933, 72960), (960, 70908), (1140, 59712), (1152, 59090), (1216, 55980), (1244, 54720), (1280, 53181), (1368, 49760), (1440, 47272), (1520, 44784), (1555, 43776), (1710, 39808), (1824, 37320), (1866, 36480), (1920, 35454), (2280, 29856), (2304, 29545), (2432, 27990), (2488, 27360), (2736, 24880), (2799, 24320), (2880, 23636), (3040, 22392), (3110, 21888), (3420, 19904), (3648, 18660), (3732, 18240), (3840, 17727), (4560, 14928), (4665, 14592), (4864, 13995), (4976, 13680), (5472, 12440), (5598, 12160), (5760, 11818), (5909, 11520), (6080, 11196), (6220, 10944), (6840, 9952), (7296, 9330), (7464, 9120)]