30864520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45389}}^1$

素因数の和:45417

約数の個数: 32

約数和(自身を含む): 73531800

約数和(自身を除く): 42667280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 45389, 90778, 181556, 226945, 363112, 453890, 771613, 907780, 1543226, 1815560, 3086452, 3858065, 6172904, 7716130, 15432260, 30864520]

約数ペア:

[(1, 30864520), (2, 15432260), (4, 7716130), (5, 6172904), (8, 3858065), (10, 3086452), (17, 1815560), (20, 1543226), (34, 907780), (40, 771613), (68, 453890), (85, 363112), (136, 226945), (170, 181556), (340, 90778), (680, 45389)]