31390560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21799}}^1$

素因数の和:21820

約数の個数: 72

約数和(自身を含む): 107125200

約数和(自身を除く): 75734640

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, 21799, 43598, 65397, 87196, 108995, 130794, 174392, 196191, 217990, 261588, 326985, 348784, 392382, 435980, 523176, 653970, 697568, 784764, 871960, 980955, 1046352, 1307940, 1569528, 1743920, 1961910, 2092704, 2615880, 3139056, 3487840, 3923820, 5231760, 6278112, 7847640, 10463520, 15695280, 31390560]

約数ペア:

[(1, 31390560), (2, 15695280), (3, 10463520), (4, 7847640), (5, 6278112), (6, 5231760), (8, 3923820), (9, 3487840), (10, 3139056), (12, 2615880), (15, 2092704), (16, 1961910), (18, 1743920), (20, 1569528), (24, 1307940), (30, 1046352), (32, 980955), (36, 871960), (40, 784764), (45, 697568), (48, 653970), (60, 523176), (72, 435980), (80, 392382), (90, 348784), (96, 326985), (120, 261588), (144, 217990), (160, 196191), (180, 174392), (240, 130794), (288, 108995), (360, 87196), (480, 65397), (720, 43598), (1440, 21799)]