15660720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{21751}}^1$

素因数の和:21770

約数の個数: 60

約数和(自身を含む): 52596336

約数和(自身を除く): 36935616

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, 21751, 43502, 65253, 87004, 108755, 130506, 174008, 195759, 217510, 261012, 326265, 348016, 391518, 435020, 522024, 652530, 783036, 870040, 978795, 1044048, 1305060, 1566072, 1740080, 1957590, 2610120, 3132144, 3915180, 5220240, 7830360, 15660720]

約数ペア:

[(1, 15660720), (2, 7830360), (3, 5220240), (4, 3915180), (5, 3132144), (6, 2610120), (8, 1957590), (9, 1740080), (10, 1566072), (12, 1305060), (15, 1044048), (16, 978795), (18, 870040), (20, 783036), (24, 652530), (30, 522024), (36, 435020), (40, 391518), (45, 348016), (48, 326265), (60, 261012), (72, 217510), (80, 195759), (90, 174008), (120, 130506), (144, 108755), (180, 87004), (240, 65253), (360, 43502), (720, 21751)]