80789580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3229}}^1$

素因数の和:3383

約数の個数: 72

約数和(自身を含む): 246901200

約数和(自身を除く): 166111620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 3229, 4170, 5004, 6255, 6458, 8340, 9687, 12510, 12916, 16145, 19374, 25020, 29061, 32290, 38748, 48435, 58122, 64580, 96870, 116244, 145305, 193740, 290610, 448831, 581220, 897662, 1346493, 1795324, 2244155, 2692986, 4039479, 4488310, 5385972, 6732465, 8078958, 8976620, 13464930, 16157916, 20197395, 26929860, 40394790, 80789580]

約数ペア:

[(1, 80789580), (2, 40394790), (3, 26929860), (4, 20197395), (5, 16157916), (6, 13464930), (9, 8976620), (10, 8078958), (12, 6732465), (15, 5385972), (18, 4488310), (20, 4039479), (30, 2692986), (36, 2244155), (45, 1795324), (60, 1346493), (90, 897662), (139, 581220), (180, 448831), (278, 290610), (417, 193740), (556, 145305), (695, 116244), (834, 96870), (1251, 64580), (1390, 58122), (1668, 48435), (2085, 38748), (2502, 32290), (2780, 29061), (3229, 25020), (4170, 19374), (5004, 16145), (6255, 12916), (6458, 12510), (8340, 9687)]