72720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1$

素因数の和:120

約数の個数: 60

約数和(自身を含む): 246636

約数和(自身を除く): 173916

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, 101, 120, 144, 180, 202, 240, 303, 360, 404, 505, 606, 720, 808, 909, 1010, 1212, 1515, 1616, 1818, 2020, 2424, 3030, 3636, 4040, 4545, 4848, 6060, 7272, 8080, 9090, 12120, 14544, 18180, 24240, 36360, 72720]

約数ペア:

[(1, 72720), (2, 36360), (3, 24240), (4, 18180), (5, 14544), (6, 12120), (8, 9090), (9, 8080), (10, 7272), (12, 6060), (15, 4848), (16, 4545), (18, 4040), (20, 3636), (24, 3030), (30, 2424), (36, 2020), (40, 1818), (45, 1616), (48, 1515), (60, 1212), (72, 1010), (80, 909), (90, 808), (101, 720), (120, 606), (144, 505), (180, 404), (202, 360), (240, 303)]