31731210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 98242560

約数和(自身を除く): 66511350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 103, 105, 126, 135, 163, 189, 206, 210, 270, 309, 315, 326, 378, 489, 515, 618, 630, 721, 815, 927, 945, 978, 1030, 1141, 1442, 1467, 1545, 1630, 1854, 1890, 2163, 2282, 2445, 2781, 2934, 3090, 3423, 3605, 4326, 4401, 4635, 4890, 5562, 5705, 6489, 6846, 7210, 7335, 8802, 9270, 10269, 10815, 11410, 12978, 13905, 14670, 16789, 17115, 19467, 20538, 21630, 22005, 27810, 30807, 32445, 33578, 34230, 38934, 44010, 50367, 51345, 61614, 64890, 83945, 97335, 100734, 102690, 117523, 151101, 154035, 167890, 194670, 235046, 251835, 302202, 308070, 352569, 453303, 503670, 587615, 705138, 755505, 906606, 1057707, 1175230, 1511010, 1762845, 2115414, 2266515, 3173121, 3525690, 4533030, 5288535, 6346242, 10577070, 15865605, 31731210]

約数ペア:

[(1, 31731210), (2, 15865605), (3, 10577070), (5, 6346242), (6, 5288535), (7, 4533030), (9, 3525690), (10, 3173121), (14, 2266515), (15, 2115414), (18, 1762845), (21, 1511010), (27, 1175230), (30, 1057707), (35, 906606), (42, 755505), (45, 705138), (54, 587615), (63, 503670), (70, 453303), (90, 352569), (103, 308070), (105, 302202), (126, 251835), (135, 235046), (163, 194670), (189, 167890), (206, 154035), (210, 151101), (270, 117523), (309, 102690), (315, 100734), (326, 97335), (378, 83945), (489, 64890), (515, 61614), (618, 51345), (630, 50367), (721, 44010), (815, 38934), (927, 34230), (945, 33578), (978, 32445), (1030, 30807), (1141, 27810), (1442, 22005), (1467, 21630), (1545, 20538), (1630, 19467), (1854, 17115), (1890, 16789), (2163, 14670), (2282, 13905), (2445, 12978), (2781, 11410), (2934, 10815), (3090, 10269), (3423, 9270), (3605, 8802), (4326, 7335), (4401, 7210), (4635, 6846), (4890, 6489), (5562, 5705)]