1620720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{2251}}^1$

素因数の和:2270

約数の個数: 60

約数和(自身を含む): 5445336

約数和(自身を除く): 3824616

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, 2251, 4502, 6753, 9004, 11255, 13506, 18008, 20259, 22510, 27012, 33765, 36016, 40518, 45020, 54024, 67530, 81036, 90040, 101295, 108048, 135060, 162072, 180080, 202590, 270120, 324144, 405180, 540240, 810360, 1620720]

約数ペア:

[(1, 1620720), (2, 810360), (3, 540240), (4, 405180), (5, 324144), (6, 270120), (8, 202590), (9, 180080), (10, 162072), (12, 135060), (15, 108048), (16, 101295), (18, 90040), (20, 81036), (24, 67530), (30, 54024), (36, 45020), (40, 40518), (45, 36016), (48, 33765), (60, 27012), (72, 22510), (80, 20259), (90, 18008), (120, 13506), (144, 11255), (180, 9004), (240, 6753), (360, 4502), (720, 2251)]