78896440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12251}}^1$

素因数の和:12292

約数の個数: 64

約数和(自身を含む): 211714560

約数和(自身を除く): 132818120

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, 12251, 24502, 49004, 61255, 85757, 98008, 122510, 171514, 245020, 281773, 343028, 428785, 490040, 563546, 686056, 857570, 1127092, 1408865, 1715140, 1972411, 2254184, 2817730, 3430280, 3944822, 5635460, 7889644, 9862055, 11270920, 15779288, 19724110, 39448220, 78896440]

約数ペア:

[(1, 78896440), (2, 39448220), (4, 19724110), (5, 15779288), (7, 11270920), (8, 9862055), (10, 7889644), (14, 5635460), (20, 3944822), (23, 3430280), (28, 2817730), (35, 2254184), (40, 1972411), (46, 1715140), (56, 1408865), (70, 1127092), (92, 857570), (115, 686056), (140, 563546), (161, 490040), (184, 428785), (230, 343028), (280, 281773), (322, 245020), (460, 171514), (644, 122510), (805, 98008), (920, 85757), (1288, 61255), (1610, 49004), (3220, 24502), (6440, 12251)]