68257215

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 76894785

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 27, 39, 45, 57, 65, 69, 89, 95, 115, 117, 135, 171, 195, 207, 247, 267, 285, 299, 345, 351, 437, 445, 513, 585, 621, 741, 801, 855, 897, 1035, 1157, 1235, 1311, 1335, 1495, 1691, 1755, 2047, 2185, 2223, 2403, 2565, 2691, 3105, 3471, 3705, 3933, 4005, 4485, 5073, 5681, 5785, 6141, 6555, 6669, 8073, 8455, 10235, 10413, 11115, 11799, 12015, 13455, 15219, 17043, 17355, 18423, 19665, 21983, 25365, 26611, 28405, 30705, 31239, 33345, 38893, 40365, 45657, 51129, 52065, 55269, 58995, 65949, 76095, 79833, 85215, 92115, 109915, 116679, 133055, 153387, 156195, 194465, 197847, 228285, 239499, 255645, 276345, 329745, 350037, 399165, 505609, 583395, 593541, 718497, 766935, 989235, 1050111, 1197495, 1516827, 1750185, 2528045, 2967705, 3592485, 4550481, 5250555, 7584135, 13651443, 22752405, 68257215]

約数ペア:

[(1, 68257215), (3, 22752405), (5, 13651443), (9, 7584135), (13, 5250555), (15, 4550481), (19, 3592485), (23, 2967705), (27, 2528045), (39, 1750185), (45, 1516827), (57, 1197495), (65, 1050111), (69, 989235), (89, 766935), (95, 718497), (115, 593541), (117, 583395), (135, 505609), (171, 399165), (195, 350037), (207, 329745), (247, 276345), (267, 255645), (285, 239499), (299, 228285), (345, 197847), (351, 194465), (437, 156195), (445, 153387), (513, 133055), (585, 116679), (621, 109915), (741, 92115), (801, 85215), (855, 79833), (897, 76095), (1035, 65949), (1157, 58995), (1235, 55269), (1311, 52065), (1335, 51129), (1495, 45657), (1691, 40365), (1755, 38893), (2047, 33345), (2185, 31239), (2223, 30705), (2403, 28405), (2565, 26611), (2691, 25365), (3105, 21983), (3471, 19665), (3705, 18423), (3933, 17355), (4005, 17043), (4485, 15219), (5073, 13455), (5681, 12015), (5785, 11799), (6141, 11115), (6555, 10413), (6669, 10235), (8073, 8455)]