15677509880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{20389}}^1$

素因数の和:20856

約数の個数: 64

約数和(自身を含む): 36114768000

約数和(自身を除く): 20437258120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 409, 470, 818, 940, 1636, 1880, 2045, 3272, 4090, 8180, 16360, 19223, 20389, 38446, 40778, 76892, 81556, 96115, 101945, 153784, 163112, 192230, 203890, 384460, 407780, 768920, 815560, 958283, 1916566, 3833132, 4791415, 7666264, 8339101, 9582830, 16678202, 19165660, 33356404, 38331320, 41695505, 66712808, 83391010, 166782020, 333564040, 391937747, 783875494, 1567750988, 1959688735, 3135501976, 3919377470, 7838754940, 15677509880]

約数ペア:

[(1, 15677509880), (2, 7838754940), (4, 3919377470), (5, 3135501976), (8, 1959688735), (10, 1567750988), (20, 783875494), (40, 391937747), (47, 333564040), (94, 166782020), (188, 83391010), (235, 66712808), (376, 41695505), (409, 38331320), (470, 33356404), (818, 19165660), (940, 16678202), (1636, 9582830), (1880, 8339101), (2045, 7666264), (3272, 4791415), (4090, 3833132), (8180, 1916566), (16360, 958283), (19223, 815560), (20389, 768920), (38446, 407780), (40778, 384460), (76892, 203890), (81556, 192230), (96115, 163112), (101945, 153784)]