28260720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39251}}^1$

素因数の和:39270

約数の個数: 60

約数和(自身を含む): 94911336

約数和(自身を除く): 66650616

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, 39251, 78502, 117753, 157004, 196255, 235506, 314008, 353259, 392510, 471012, 588765, 628016, 706518, 785020, 942024, 1177530, 1413036, 1570040, 1766295, 1884048, 2355060, 2826072, 3140080, 3532590, 4710120, 5652144, 7065180, 9420240, 14130360, 28260720]

約数ペア:

[(1, 28260720), (2, 14130360), (3, 9420240), (4, 7065180), (5, 5652144), (6, 4710120), (8, 3532590), (9, 3140080), (10, 2826072), (12, 2355060), (15, 1884048), (16, 1766295), (18, 1570040), (20, 1413036), (24, 1177530), (30, 942024), (36, 785020), (40, 706518), (45, 628016), (48, 588765), (60, 471012), (72, 392510), (80, 353259), (90, 314008), (120, 235506), (144, 196255), (180, 157004), (240, 117753), (360, 78502), (720, 39251)]