81611040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:359

約数の個数: 192

約数和(自身を含む): 297851904

約数和(自身を除く): 216240864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 107, 112, 120, 140, 160, 168, 210, 214, 224, 227, 240, 280, 321, 336, 420, 428, 454, 480, 535, 560, 642, 672, 681, 749, 840, 856, 908, 1070, 1120, 1135, 1284, 1362, 1498, 1589, 1605, 1680, 1712, 1816, 2140, 2247, 2270, 2568, 2724, 2996, 3178, 3210, 3360, 3405, 3424, 3632, 3745, 4280, 4494, 4540, 4767, 5136, 5448, 5992, 6356, 6420, 6810, 7264, 7490, 7945, 8560, 8988, 9080, 9534, 10272, 10896, 11235, 11984, 12712, 12840, 13620, 14980, 15890, 17120, 17976, 18160, 19068, 21792, 22470, 23835, 23968, 24289, 25424, 25680, 27240, 29960, 31780, 35952, 36320, 38136, 44940, 47670, 48578, 50848, 51360, 54480, 59920, 63560, 71904, 72867, 76272, 89880, 95340, 97156, 108960, 119840, 121445, 127120, 145734, 152544, 170023, 179760, 190680, 194312, 242890, 254240, 291468, 340046, 359520, 364335, 381360, 388624, 485780, 510069, 582936, 680092, 728670, 762720, 777248, 850115, 971560, 1020138, 1165872, 1360184, 1457340, 1700230, 1943120, 2040276, 2331744, 2550345, 2720368, 2914680, 3400460, 3886240, 4080552, 5100690, 5440736, 5829360, 6800920, 8161104, 10201380, 11658720, 13601840, 16322208, 20402760, 27203680, 40805520, 81611040]

約数ペア:

[(1, 81611040), (2, 40805520), (3, 27203680), (4, 20402760), (5, 16322208), (6, 13601840), (7, 11658720), (8, 10201380), (10, 8161104), (12, 6800920), (14, 5829360), (15, 5440736), (16, 5100690), (20, 4080552), (21, 3886240), (24, 3400460), (28, 2914680), (30, 2720368), (32, 2550345), (35, 2331744), (40, 2040276), (42, 1943120), (48, 1700230), (56, 1457340), (60, 1360184), (70, 1165872), (80, 1020138), (84, 971560), (96, 850115), (105, 777248), (107, 762720), (112, 728670), (120, 680092), (140, 582936), (160, 510069), (168, 485780), (210, 388624), (214, 381360), (224, 364335), (227, 359520), (240, 340046), (280, 291468), (321, 254240), (336, 242890), (420, 194312), (428, 190680), (454, 179760), (480, 170023), (535, 152544), (560, 145734), (642, 127120), (672, 121445), (681, 119840), (749, 108960), (840, 97156), (856, 95340), (908, 89880), (1070, 76272), (1120, 72867), (1135, 71904), (1284, 63560), (1362, 59920), (1498, 54480), (1589, 51360), (1605, 50848), (1680, 48578), (1712, 47670), (1816, 44940), (2140, 38136), (2247, 36320), (2270, 35952), (2568, 31780), (2724, 29960), (2996, 27240), (3178, 25680), (3210, 25424), (3360, 24289), (3405, 23968), (3424, 23835), (3632, 22470), (3745, 21792), (4280, 19068), (4494, 18160), (4540, 17976), (4767, 17120), (5136, 15890), (5448, 14980), (5992, 13620), (6356, 12840), (6420, 12712), (6810, 11984), (7264, 11235), (7490, 10896), (7945, 10272), (8560, 9534), (8988, 9080)]