1978230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 5142528

約数和(自身を除く): 3164298

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 47, 61, 69, 94, 115, 122, 138, 141, 183, 230, 235, 282, 305, 345, 366, 470, 610, 690, 705, 915, 1081, 1403, 1410, 1830, 2162, 2806, 2867, 3243, 4209, 5405, 5734, 6486, 7015, 8418, 8601, 10810, 14030, 14335, 16215, 17202, 21045, 28670, 32430, 42090, 43005, 65941, 86010, 131882, 197823, 329705, 395646, 659410, 989115, 1978230]

約数ペア:

[(1, 1978230), (2, 989115), (3, 659410), (5, 395646), (6, 329705), (10, 197823), (15, 131882), (23, 86010), (30, 65941), (46, 43005), (47, 42090), (61, 32430), (69, 28670), (94, 21045), (115, 17202), (122, 16215), (138, 14335), (141, 14030), (183, 10810), (230, 8601), (235, 8418), (282, 7015), (305, 6486), (345, 5734), (366, 5405), (470, 4209), (610, 3243), (690, 2867), (705, 2806), (915, 2162), (1081, 1830), (1403, 1410)]