61015780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2753

約数の個数: 72

約数和(自身を含む): 155590848

約数和(自身を除く): 94575068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 2707, 3220, 4508, 5414, 5635, 10828, 11270, 13535, 18949, 22540, 27070, 37898, 54140, 62261, 75796, 94745, 124522, 132643, 189490, 249044, 265286, 311305, 378980, 435827, 530572, 622610, 663215, 871654, 1245220, 1326430, 1743308, 2179135, 2652860, 3050789, 4358270, 6101578, 8716540, 12203156, 15253945, 30507890, 61015780]

約数ペア:

[(1, 61015780), (2, 30507890), (4, 15253945), (5, 12203156), (7, 8716540), (10, 6101578), (14, 4358270), (20, 3050789), (23, 2652860), (28, 2179135), (35, 1743308), (46, 1326430), (49, 1245220), (70, 871654), (92, 663215), (98, 622610), (115, 530572), (140, 435827), (161, 378980), (196, 311305), (230, 265286), (245, 249044), (322, 189490), (460, 132643), (490, 124522), (644, 94745), (805, 75796), (980, 62261), (1127, 54140), (1610, 37898), (2254, 27070), (2707, 22540), (3220, 18949), (4508, 13535), (5414, 11270), (5635, 10828)]