81597270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87739}}^1$

素因数の和:87780

約数の個数: 32

約数和(自身を含む): 202152960

約数和(自身を除く): 120555690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 87739, 175478, 263217, 438695, 526434, 877390, 1316085, 2632170, 2719909, 5439818, 8159727, 13599545, 16319454, 27199090, 40798635, 81597270]

約数ペア:

[(1, 81597270), (2, 40798635), (3, 27199090), (5, 16319454), (6, 13599545), (10, 8159727), (15, 5439818), (30, 2719909), (31, 2632170), (62, 1316085), (93, 877390), (155, 526434), (186, 438695), (310, 263217), (465, 175478), (930, 87739)]