61783720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 144199440

約数和(自身を除く): 82415720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 373, 404, 410, 505, 746, 808, 820, 1010, 1492, 1640, 1865, 2020, 2984, 3730, 4040, 4141, 7460, 8282, 14920, 15293, 16564, 20705, 30586, 33128, 37673, 41410, 61172, 75346, 76465, 82820, 122344, 150692, 152930, 165640, 188365, 301384, 305860, 376730, 611720, 753460, 1506920, 1544593, 3089186, 6178372, 7722965, 12356744, 15445930, 30891860, 61783720]

約数ペア:

[(1, 61783720), (2, 30891860), (4, 15445930), (5, 12356744), (8, 7722965), (10, 6178372), (20, 3089186), (40, 1544593), (41, 1506920), (82, 753460), (101, 611720), (164, 376730), (202, 305860), (205, 301384), (328, 188365), (373, 165640), (404, 152930), (410, 150692), (505, 122344), (746, 82820), (808, 76465), (820, 75346), (1010, 61172), (1492, 41410), (1640, 37673), (1865, 33128), (2020, 30586), (2984, 20705), (3730, 16564), (4040, 15293), (4141, 14920), (7460, 8282)]