87282760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2731}}^1$

素因数の和:2806

約数の個数: 64

約数和(自身を含む): 212440320

約数和(自身を除く): 125157560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 2731, 3196, 3995, 5462, 6392, 7990, 10924, 13655, 15980, 21848, 27310, 31960, 46427, 54620, 92854, 109240, 128357, 185708, 232135, 256714, 371416, 464270, 513428, 641785, 928540, 1026856, 1283570, 1857080, 2182069, 2567140, 4364138, 5134280, 8728276, 10910345, 17456552, 21820690, 43641380, 87282760]

約数ペア:

[(1, 87282760), (2, 43641380), (4, 21820690), (5, 17456552), (8, 10910345), (10, 8728276), (17, 5134280), (20, 4364138), (34, 2567140), (40, 2182069), (47, 1857080), (68, 1283570), (85, 1026856), (94, 928540), (136, 641785), (170, 513428), (188, 464270), (235, 371416), (340, 256714), (376, 232135), (470, 185708), (680, 128357), (799, 109240), (940, 92854), (1598, 54620), (1880, 46427), (2731, 31960), (3196, 27310), (3995, 21848), (5462, 15980), (6392, 13655), (7990, 10924)]