18170880

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2$

素因数の和:61

約数の個数: 264

約数和(自身を含む): 71923392

約数和(自身を除く): 53752512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 169, 182, 192, 195, 208, 210, 224, 240, 256, 260, 273, 280, 312, 320, 336, 338, 364, 384, 390, 416, 420, 448, 455, 480, 507, 512, 520, 546, 560, 624, 640, 672, 676, 728, 768, 780, 832, 840, 845, 896, 910, 960, 1014, 1024, 1040, 1092, 1120, 1183, 1248, 1280, 1344, 1352, 1365, 1456, 1536, 1560, 1664, 1680, 1690, 1792, 1820, 1920, 2028, 2080, 2184, 2240, 2366, 2496, 2535, 2560, 2688, 2704, 2730, 2912, 3072, 3120, 3328, 3360, 3380, 3549, 3584, 3640, 3840, 4056, 4160, 4368, 4480, 4732, 4992, 5070, 5120, 5376, 5408, 5460, 5824, 5915, 6240, 6656, 6720, 6760, 7098, 7168, 7280, 7680, 8112, 8320, 8736, 8960, 9464, 9984, 10140, 10752, 10816, 10920, 11648, 11830, 12480, 13312, 13440, 13520, 14196, 14560, 15360, 16224, 16640, 17472, 17745, 17920, 18928, 19968, 20280, 21504, 21632, 21840, 23296, 23660, 24960, 26880, 27040, 28392, 29120, 32448, 33280, 34944, 35490, 35840, 37856, 39936, 40560, 43264, 43680, 46592, 47320, 49920, 53760, 54080, 56784, 58240, 64896, 66560, 69888, 70980, 75712, 81120, 86528, 87360, 93184, 94640, 99840, 107520, 108160, 113568, 116480, 129792, 139776, 141960, 151424, 162240, 173056, 174720, 189280, 199680, 216320, 227136, 232960, 259584, 279552, 283920, 302848, 324480, 349440, 378560, 432640, 454272, 465920, 519168, 567840, 605696, 648960, 698880, 757120, 865280, 908544, 1135680, 1211392, 1297920, 1397760, 1514240, 1817088, 2271360, 2595840, 3028480, 3634176, 4542720, 6056960, 9085440, 18170880]

約数ペア:

[(1, 18170880), (2, 9085440), (3, 6056960), (4, 4542720), (5, 3634176), (6, 3028480), (7, 2595840), (8, 2271360), (10, 1817088), (12, 1514240), (13, 1397760), (14, 1297920), (15, 1211392), (16, 1135680), (20, 908544), (21, 865280), (24, 757120), (26, 698880), (28, 648960), (30, 605696), (32, 567840), (35, 519168), (39, 465920), (40, 454272), (42, 432640), (48, 378560), (52, 349440), (56, 324480), (60, 302848), (64, 283920), (65, 279552), (70, 259584), (78, 232960), (80, 227136), (84, 216320), (91, 199680), (96, 189280), (104, 174720), (105, 173056), (112, 162240), (120, 151424), (128, 141960), (130, 139776), (140, 129792), (156, 116480), (160, 113568), (168, 108160), (169, 107520), (182, 99840), (192, 94640), (195, 93184), (208, 87360), (210, 86528), (224, 81120), (240, 75712), (256, 70980), (260, 69888), (273, 66560), (280, 64896), (312, 58240), (320, 56784), (336, 54080), (338, 53760), (364, 49920), (384, 47320), (390, 46592), (416, 43680), (420, 43264), (448, 40560), (455, 39936), (480, 37856), (507, 35840), (512, 35490), (520, 34944), (546, 33280), (560, 32448), (624, 29120), (640, 28392), (672, 27040), (676, 26880), (728, 24960), (768, 23660), (780, 23296), (832, 21840), (840, 21632), (845, 21504), (896, 20280), (910, 19968), (960, 18928), (1014, 17920), (1024, 17745), (1040, 17472), (1092, 16640), (1120, 16224), (1183, 15360), (1248, 14560), (1280, 14196), (1344, 13520), (1352, 13440), (1365, 13312), (1456, 12480), (1536, 11830), (1560, 11648), (1664, 10920), (1680, 10816), (1690, 10752), (1792, 10140), (1820, 9984), (1920, 9464), (2028, 8960), (2080, 8736), (2184, 8320), (2240, 8112), (2366, 7680), (2496, 7280), (2535, 7168), (2560, 7098), (2688, 6760), (2704, 6720), (2730, 6656), (2912, 6240), (3072, 5915), (3120, 5824), (3328, 5460), (3360, 5408), (3380, 5376), (3549, 5120), (3584, 5070), (3640, 4992), (3840, 4732), (4056, 4480), (4160, 4368)]