81594240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:509

約数の個数: 256

約数和(自身を含む): 320785920

約数和(自身を除く): 239191680

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, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 467, 480, 520, 546, 560, 624, 640, 672, 728, 780, 832, 840, 896, 910, 934, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1401, 1456, 1560, 1664, 1680, 1820, 1868, 1920, 2080, 2184, 2240, 2335, 2496, 2688, 2730, 2802, 2912, 3120, 3269, 3360, 3640, 3736, 4160, 4368, 4480, 4670, 4992, 5460, 5604, 5824, 6071, 6240, 6538, 6720, 7005, 7280, 7472, 8320, 8736, 9340, 9807, 10920, 11208, 11648, 12142, 12480, 13076, 13440, 14010, 14560, 14944, 16345, 17472, 18213, 18680, 19614, 21840, 22416, 24284, 24960, 26152, 28020, 29120, 29888, 30355, 32690, 34944, 36426, 37360, 39228, 42497, 43680, 44832, 48568, 49035, 52304, 56040, 58240, 59776, 60710, 65380, 72852, 74720, 78456, 84994, 87360, 89664, 91065, 97136, 98070, 104608, 112080, 121420, 127491, 130760, 145704, 149440, 156912, 169988, 174720, 179328, 182130, 194272, 196140, 209216, 212485, 224160, 242840, 254982, 261520, 291408, 298880, 313824, 339976, 364260, 388544, 392280, 418432, 424970, 448320, 485680, 509964, 523040, 582816, 627648, 637455, 679952, 728520, 777088, 784560, 849940, 896640, 971360, 1019928, 1046080, 1165632, 1255296, 1274910, 1359904, 1457040, 1569120, 1699880, 1942720, 2039856, 2092160, 2331264, 2549820, 2719808, 2914080, 3138240, 3399760, 3885440, 4079712, 5099640, 5439616, 5828160, 6276480, 6799520, 8159424, 10199280, 11656320, 13599040, 16318848, 20398560, 27198080, 40797120, 81594240]

約数ペア:

[(1, 81594240), (2, 40797120), (3, 27198080), (4, 20398560), (5, 16318848), (6, 13599040), (7, 11656320), (8, 10199280), (10, 8159424), (12, 6799520), (13, 6276480), (14, 5828160), (15, 5439616), (16, 5099640), (20, 4079712), (21, 3885440), (24, 3399760), (26, 3138240), (28, 2914080), (30, 2719808), (32, 2549820), (35, 2331264), (39, 2092160), (40, 2039856), (42, 1942720), (48, 1699880), (52, 1569120), (56, 1457040), (60, 1359904), (64, 1274910), (65, 1255296), (70, 1165632), (78, 1046080), (80, 1019928), (84, 971360), (91, 896640), (96, 849940), (104, 784560), (105, 777088), (112, 728520), (120, 679952), (128, 637455), (130, 627648), (140, 582816), (156, 523040), (160, 509964), (168, 485680), (182, 448320), (192, 424970), (195, 418432), (208, 392280), (210, 388544), (224, 364260), (240, 339976), (260, 313824), (273, 298880), (280, 291408), (312, 261520), (320, 254982), (336, 242840), (364, 224160), (384, 212485), (390, 209216), (416, 196140), (420, 194272), (448, 182130), (455, 179328), (467, 174720), (480, 169988), (520, 156912), (546, 149440), (560, 145704), (624, 130760), (640, 127491), (672, 121420), (728, 112080), (780, 104608), (832, 98070), (840, 97136), (896, 91065), (910, 89664), (934, 87360), (960, 84994), (1040, 78456), (1092, 74720), (1120, 72852), (1248, 65380), (1344, 60710), (1365, 59776), (1401, 58240), (1456, 56040), (1560, 52304), (1664, 49035), (1680, 48568), (1820, 44832), (1868, 43680), (1920, 42497), (2080, 39228), (2184, 37360), (2240, 36426), (2335, 34944), (2496, 32690), (2688, 30355), (2730, 29888), (2802, 29120), (2912, 28020), (3120, 26152), (3269, 24960), (3360, 24284), (3640, 22416), (3736, 21840), (4160, 19614), (4368, 18680), (4480, 18213), (4670, 17472), (4992, 16345), (5460, 14944), (5604, 14560), (5824, 14010), (6071, 13440), (6240, 13076), (6538, 12480), (6720, 12142), (7005, 11648), (7280, 11208), (7472, 10920), (8320, 9807), (8736, 9340)]