87687540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{787}}^1$

素因数の和:1421

約数の個数: 72

約数和(自身を含む): 266753760

約数和(自身を除く): 179066220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 787, 1238, 1574, 1857, 2361, 2476, 3095, 3148, 3714, 3935, 4722, 5571, 6190, 7083, 7428, 7870, 9285, 9444, 11142, 11805, 12380, 14166, 15740, 18570, 22284, 23610, 27855, 28332, 35415, 37140, 47220, 55710, 70830, 111420, 141660, 487153, 974306, 1461459, 1948612, 2435765, 2922918, 4384377, 4871530, 5845836, 7307295, 8768754, 9743060, 14614590, 17537508, 21921885, 29229180, 43843770, 87687540]

約数ペア:

[(1, 87687540), (2, 43843770), (3, 29229180), (4, 21921885), (5, 17537508), (6, 14614590), (9, 9743060), (10, 8768754), (12, 7307295), (15, 5845836), (18, 4871530), (20, 4384377), (30, 2922918), (36, 2435765), (45, 1948612), (60, 1461459), (90, 974306), (180, 487153), (619, 141660), (787, 111420), (1238, 70830), (1574, 55710), (1857, 47220), (2361, 37140), (2476, 35415), (3095, 28332), (3148, 27855), (3714, 23610), (3935, 22284), (4722, 18570), (5571, 15740), (6190, 14166), (7083, 12380), (7428, 11805), (7870, 11142), (9285, 9444)]