81626280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35801}}^1$

素因数の和:35834

約数の個数: 64

約数和(自身を含む): 257774400

約数和(自身を除く): 176148120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 35801, 71602, 107403, 143204, 179005, 214806, 286408, 358010, 429612, 537015, 680219, 716020, 859224, 1074030, 1360438, 1432040, 2040657, 2148060, 2720876, 3401095, 4081314, 4296120, 5441752, 6802190, 8162628, 10203285, 13604380, 16325256, 20406570, 27208760, 40813140, 81626280]

約数ペア:

[(1, 81626280), (2, 40813140), (3, 27208760), (4, 20406570), (5, 16325256), (6, 13604380), (8, 10203285), (10, 8162628), (12, 6802190), (15, 5441752), (19, 4296120), (20, 4081314), (24, 3401095), (30, 2720876), (38, 2148060), (40, 2040657), (57, 1432040), (60, 1360438), (76, 1074030), (95, 859224), (114, 716020), (120, 680219), (152, 537015), (190, 429612), (228, 358010), (285, 286408), (380, 214806), (456, 179005), (570, 143204), (760, 107403), (1140, 71602), (2280, 35801)]