28890720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{20063}}^1$

素因数の和:20084

約数の個数: 72

約数和(自身を含む): 98594496

約数和(自身を除く): 69703776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 20063, 40126, 60189, 80252, 100315, 120378, 160504, 180567, 200630, 240756, 300945, 321008, 361134, 401260, 481512, 601890, 642016, 722268, 802520, 902835, 963024, 1203780, 1444536, 1605040, 1805670, 1926048, 2407560, 2889072, 3210080, 3611340, 4815120, 5778144, 7222680, 9630240, 14445360, 28890720]

約数ペア:

[(1, 28890720), (2, 14445360), (3, 9630240), (4, 7222680), (5, 5778144), (6, 4815120), (8, 3611340), (9, 3210080), (10, 2889072), (12, 2407560), (15, 1926048), (16, 1805670), (18, 1605040), (20, 1444536), (24, 1203780), (30, 963024), (32, 902835), (36, 802520), (40, 722268), (45, 642016), (48, 601890), (60, 481512), (72, 401260), (80, 361134), (90, 321008), (96, 300945), (120, 240756), (144, 200630), (160, 180567), (180, 160504), (240, 120378), (288, 100315), (360, 80252), (480, 60189), (720, 40126), (1440, 20063)]