215488840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33461}}^1$

素因数の和:33502

約数の個数: 64

約数和(自身を含む): 578223360

約数和(自身を除く): 362734520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 33461, 66922, 133844, 167305, 234227, 267688, 334610, 468454, 669220, 769603, 936908, 1171135, 1338440, 1539206, 1873816, 2342270, 3078412, 3848015, 4684540, 5387221, 6156824, 7696030, 9369080, 10774442, 15392060, 21548884, 26936105, 30784120, 43097768, 53872210, 107744420, 215488840]

約数ペア:

[(1, 215488840), (2, 107744420), (4, 53872210), (5, 43097768), (7, 30784120), (8, 26936105), (10, 21548884), (14, 15392060), (20, 10774442), (23, 9369080), (28, 7696030), (35, 6156824), (40, 5387221), (46, 4684540), (56, 3848015), (70, 3078412), (92, 2342270), (115, 1873816), (140, 1539206), (161, 1338440), (184, 1171135), (230, 936908), (280, 769603), (322, 669220), (460, 468454), (644, 334610), (805, 267688), (920, 234227), (1288, 167305), (1610, 133844), (3220, 66922), (6440, 33461)]