81988320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{170809}}^1$

素因数の和:170827

約数の個数: 48

約数和(自身を含む): 258264720

約数和(自身を除く): 176276400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 170809, 341618, 512427, 683236, 854045, 1024854, 1366472, 1708090, 2049708, 2562135, 2732944, 3416180, 4099416, 5124270, 5465888, 6832360, 8198832, 10248540, 13664720, 16397664, 20497080, 27329440, 40994160, 81988320]

約数ペア:

[(1, 81988320), (2, 40994160), (3, 27329440), (4, 20497080), (5, 16397664), (6, 13664720), (8, 10248540), (10, 8198832), (12, 6832360), (15, 5465888), (16, 5124270), (20, 4099416), (24, 3416180), (30, 2732944), (32, 2562135), (40, 2049708), (48, 1708090), (60, 1366472), (80, 1024854), (96, 854045), (120, 683236), (160, 512427), (240, 341618), (480, 170809)]