28728720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39901}}^1$

素因数の和:39920

約数の個数: 60

約数和(自身を含む): 96483036

約数和(自身を除く): 67754316

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39901, 79802, 119703, 159604, 199505, 239406, 319208, 359109, 399010, 478812, 598515, 638416, 718218, 798020, 957624, 1197030, 1436436, 1596040, 1795545, 1915248, 2394060, 2872872, 3192080, 3591090, 4788120, 5745744, 7182180, 9576240, 14364360, 28728720]

約数ペア:

[(1, 28728720), (2, 14364360), (3, 9576240), (4, 7182180), (5, 5745744), (6, 4788120), (8, 3591090), (9, 3192080), (10, 2872872), (12, 2394060), (15, 1915248), (16, 1795545), (18, 1596040), (20, 1436436), (24, 1197030), (30, 957624), (36, 798020), (40, 718218), (45, 638416), (48, 598515), (60, 478812), (72, 399010), (80, 359109), (90, 319208), (120, 239406), (144, 199505), (180, 159604), (240, 119703), (360, 79802), (720, 39901)]