61597880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 142473600

約数和(自身を除く): 80875720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 193, 202, 316, 386, 395, 404, 505, 632, 772, 790, 808, 965, 1010, 1544, 1580, 1930, 2020, 3160, 3860, 4040, 7720, 7979, 15247, 15958, 19493, 30494, 31916, 38986, 39895, 60988, 63832, 76235, 77972, 79790, 97465, 121976, 152470, 155944, 159580, 194930, 304940, 319160, 389860, 609880, 779720, 1539947, 3079894, 6159788, 7699735, 12319576, 15399470, 30798940, 61597880]

約数ペア:

[(1, 61597880), (2, 30798940), (4, 15399470), (5, 12319576), (8, 7699735), (10, 6159788), (20, 3079894), (40, 1539947), (79, 779720), (101, 609880), (158, 389860), (193, 319160), (202, 304940), (316, 194930), (386, 159580), (395, 155944), (404, 152470), (505, 121976), (632, 97465), (772, 79790), (790, 77972), (808, 76235), (965, 63832), (1010, 60988), (1544, 39895), (1580, 38986), (1930, 31916), (2020, 30494), (3160, 19493), (3860, 15958), (4040, 15247), (7720, 7979)]