66931280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 169155840

約数和(自身を除く): 102224560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 463, 520, 556, 695, 926, 1040, 1112, 1390, 1807, 1852, 2224, 2315, 2780, 3614, 3704, 4630, 5560, 6019, 7228, 7408, 9035, 9260, 11120, 12038, 14456, 18070, 18520, 24076, 28912, 30095, 36140, 37040, 48152, 60190, 64357, 72280, 96304, 120380, 128714, 144560, 240760, 257428, 321785, 481520, 514856, 643570, 836641, 1029712, 1287140, 1673282, 2574280, 3346564, 4183205, 5148560, 6693128, 8366410, 13386256, 16732820, 33465640, 66931280]

約数ペア:

[(1, 66931280), (2, 33465640), (4, 16732820), (5, 13386256), (8, 8366410), (10, 6693128), (13, 5148560), (16, 4183205), (20, 3346564), (26, 2574280), (40, 1673282), (52, 1287140), (65, 1029712), (80, 836641), (104, 643570), (130, 514856), (139, 481520), (208, 321785), (260, 257428), (278, 240760), (463, 144560), (520, 128714), (556, 120380), (695, 96304), (926, 72280), (1040, 64357), (1112, 60190), (1390, 48152), (1807, 37040), (1852, 36140), (2224, 30095), (2315, 28912), (2780, 24076), (3614, 18520), (3704, 18070), (4630, 14456), (5560, 12038), (6019, 11120), (7228, 9260), (7408, 9035)]