31906560

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{1187}}^1$

素因数の和:1218

約数の個数: 144

約数和(自身を含む): 116557056

約数和(自身を除く): 84650496

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, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1187, 1280, 1344, 1680, 1792, 1920, 2240, 2374, 2688, 3360, 3561, 3840, 4480, 4748, 5376, 5935, 6720, 7122, 8309, 8960, 9496, 11870, 13440, 14244, 16618, 17805, 18992, 23740, 24927, 26880, 28488, 33236, 35610, 37984, 41545, 47480, 49854, 56976, 66472, 71220, 75968, 83090, 94960, 99708, 113952, 124635, 132944, 142440, 151936, 166180, 189920, 199416, 227904, 249270, 265888, 284880, 303872, 332360, 379840, 398832, 455808, 498540, 531776, 569760, 664720, 759680, 797664, 911616, 997080, 1063552, 1139520, 1329440, 1519360, 1595328, 1994160, 2127104, 2279040, 2658880, 3190656, 3988320, 4558080, 5317760, 6381312, 7976640, 10635520, 15953280, 31906560]

約数ペア:

[(1, 31906560), (2, 15953280), (3, 10635520), (4, 7976640), (5, 6381312), (6, 5317760), (7, 4558080), (8, 3988320), (10, 3190656), (12, 2658880), (14, 2279040), (15, 2127104), (16, 1994160), (20, 1595328), (21, 1519360), (24, 1329440), (28, 1139520), (30, 1063552), (32, 997080), (35, 911616), (40, 797664), (42, 759680), (48, 664720), (56, 569760), (60, 531776), (64, 498540), (70, 455808), (80, 398832), (84, 379840), (96, 332360), (105, 303872), (112, 284880), (120, 265888), (128, 249270), (140, 227904), (160, 199416), (168, 189920), (192, 166180), (210, 151936), (224, 142440), (240, 132944), (256, 124635), (280, 113952), (320, 99708), (336, 94960), (384, 83090), (420, 75968), (448, 71220), (480, 66472), (560, 56976), (640, 49854), (672, 47480), (768, 41545), (840, 37984), (896, 35610), (960, 33236), (1120, 28488), (1187, 26880), (1280, 24927), (1344, 23740), (1680, 18992), (1792, 17805), (1920, 16618), (2240, 14244), (2374, 13440), (2688, 11870), (3360, 9496), (3561, 8960), (3840, 8309), (4480, 7122), (4748, 6720), (5376, 5935)]