65448720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{90901}}^1$

素因数の和:90920

約数の個数: 60

約数和(自身を含む): 219801036

約数和(自身を除く): 154352316

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, 90901, 181802, 272703, 363604, 454505, 545406, 727208, 818109, 909010, 1090812, 1363515, 1454416, 1636218, 1818020, 2181624, 2727030, 3272436, 3636040, 4090545, 4363248, 5454060, 6544872, 7272080, 8181090, 10908120, 13089744, 16362180, 21816240, 32724360, 65448720]

約数ペア:

[(1, 65448720), (2, 32724360), (3, 21816240), (4, 16362180), (5, 13089744), (6, 10908120), (8, 8181090), (9, 7272080), (10, 6544872), (12, 5454060), (15, 4363248), (16, 4090545), (18, 3636040), (20, 3272436), (24, 2727030), (30, 2181624), (36, 1818020), (40, 1636218), (45, 1454416), (48, 1363515), (60, 1090812), (72, 909010), (80, 818109), (90, 727208), (120, 545406), (144, 454505), (180, 363604), (240, 272703), (360, 181802), (720, 90901)]