65221920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{45293}}^1$

素因数の和:45314

約数の個数: 72

約数和(自身を含む): 222574716

約数和(自身を除く): 157352796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 45293, 90586, 135879, 181172, 226465, 271758, 362344, 407637, 452930, 543516, 679395, 724688, 815274, 905860, 1087032, 1358790, 1449376, 1630548, 1811720, 2038185, 2174064, 2717580, 3261096, 3623440, 4076370, 4348128, 5435160, 6522192, 7246880, 8152740, 10870320, 13044384, 16305480, 21740640, 32610960, 65221920]

約数ペア:

[(1, 65221920), (2, 32610960), (3, 21740640), (4, 16305480), (5, 13044384), (6, 10870320), (8, 8152740), (9, 7246880), (10, 6522192), (12, 5435160), (15, 4348128), (16, 4076370), (18, 3623440), (20, 3261096), (24, 2717580), (30, 2174064), (32, 2038185), (36, 1811720), (40, 1630548), (45, 1449376), (48, 1358790), (60, 1087032), (72, 905860), (80, 815274), (90, 724688), (96, 679395), (120, 543516), (144, 452930), (160, 407637), (180, 362344), (240, 271758), (288, 226465), (360, 181172), (480, 135879), (720, 90586), (1440, 45293)]