15625120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1993}}^1$

素因数の和:2022

約数の個数: 72

約数和(自身を含む): 42962724

約数和(自身を除く): 27337604

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 1993, 3920, 3986, 7840, 7972, 9965, 13951, 15944, 19930, 27902, 31888, 39860, 55804, 63776, 69755, 79720, 97657, 111608, 139510, 159440, 195314, 223216, 279020, 318880, 390628, 446432, 488285, 558040, 781256, 976570, 1116080, 1562512, 1953140, 2232160, 3125024, 3906280, 7812560, 15625120]

約数ペア:

[(1, 15625120), (2, 7812560), (4, 3906280), (5, 3125024), (7, 2232160), (8, 1953140), (10, 1562512), (14, 1116080), (16, 976570), (20, 781256), (28, 558040), (32, 488285), (35, 446432), (40, 390628), (49, 318880), (56, 279020), (70, 223216), (80, 195314), (98, 159440), (112, 139510), (140, 111608), (160, 97657), (196, 79720), (224, 69755), (245, 63776), (280, 55804), (392, 39860), (490, 31888), (560, 27902), (784, 19930), (980, 15944), (1120, 13951), (1568, 9965), (1960, 7972), (1993, 7840), (3920, 3986)]