77202540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{977}}^1$

素因数の和:1431

約数の個数: 72

約数和(自身を含む): 234954720

約数和(自身を除く): 157752180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 977, 1317, 1756, 1954, 2195, 2634, 2931, 3908, 3951, 4390, 4885, 5268, 5862, 6585, 7902, 8780, 8793, 9770, 11724, 13170, 14655, 15804, 17586, 19540, 19755, 26340, 29310, 35172, 39510, 43965, 58620, 79020, 87930, 175860, 428903, 857806, 1286709, 1715612, 2144515, 2573418, 3860127, 4289030, 5146836, 6433545, 7720254, 8578060, 12867090, 15440508, 19300635, 25734180, 38601270, 77202540]

約数ペア:

[(1, 77202540), (2, 38601270), (3, 25734180), (4, 19300635), (5, 15440508), (6, 12867090), (9, 8578060), (10, 7720254), (12, 6433545), (15, 5146836), (18, 4289030), (20, 3860127), (30, 2573418), (36, 2144515), (45, 1715612), (60, 1286709), (90, 857806), (180, 428903), (439, 175860), (878, 87930), (977, 79020), (1317, 58620), (1756, 43965), (1954, 39510), (2195, 35172), (2634, 29310), (2931, 26340), (3908, 19755), (3951, 19540), (4390, 17586), (4885, 15804), (5268, 14655), (5862, 13170), (6585, 11724), (7902, 9770), (8780, 8793)]