128699280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19861}}^1$

素因数の和:19886

約数の個数: 100

約数和(自身を含む): 447014172

約数和(自身を除く): 318314892

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 19861, 39722, 59583, 79444, 99305, 119166, 158888, 178749, 198610, 238332, 297915, 317776, 357498, 397220, 476664, 536247, 595830, 714996, 794440, 893745, 953328, 1072494, 1191660, 1429992, 1588880, 1608741, 1787490, 2144988, 2383320, 2681235, 2859984, 3217482, 3574980, 4289976, 4766640, 5362470, 6434964, 7149960, 8043705, 8579952, 10724940, 12869928, 14299920, 16087410, 21449880, 25739856, 32174820, 42899760, 64349640, 128699280]

約数ペア:

[(1, 128699280), (2, 64349640), (3, 42899760), (4, 32174820), (5, 25739856), (6, 21449880), (8, 16087410), (9, 14299920), (10, 12869928), (12, 10724940), (15, 8579952), (16, 8043705), (18, 7149960), (20, 6434964), (24, 5362470), (27, 4766640), (30, 4289976), (36, 3574980), (40, 3217482), (45, 2859984), (48, 2681235), (54, 2383320), (60, 2144988), (72, 1787490), (80, 1608741), (81, 1588880), (90, 1429992), (108, 1191660), (120, 1072494), (135, 953328), (144, 893745), (162, 794440), (180, 714996), (216, 595830), (240, 536247), (270, 476664), (324, 397220), (360, 357498), (405, 317776), (432, 297915), (540, 238332), (648, 198610), (720, 178749), (810, 158888), (1080, 119166), (1296, 99305), (1620, 79444), (2160, 59583), (3240, 39722), (6480, 19861)]