164465460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3823}}^1$

素因数の和:4077

約数の個数: 72

約数和(自身を含む): 501096960

約数和(自身を除く): 336631500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 3823, 4302, 4780, 7170, 7646, 8604, 10755, 11469, 14340, 15292, 19115, 21510, 22938, 34407, 38230, 43020, 45876, 57345, 68814, 76460, 114690, 137628, 172035, 229380, 344070, 688140, 913697, 1827394, 2741091, 3654788, 4568485, 5482182, 8223273, 9136970, 10964364, 13705455, 16446546, 18273940, 27410910, 32893092, 41116365, 54821820, 82232730, 164465460]

約数ペア:

[(1, 164465460), (2, 82232730), (3, 54821820), (4, 41116365), (5, 32893092), (6, 27410910), (9, 18273940), (10, 16446546), (12, 13705455), (15, 10964364), (18, 9136970), (20, 8223273), (30, 5482182), (36, 4568485), (45, 3654788), (60, 2741091), (90, 1827394), (180, 913697), (239, 688140), (478, 344070), (717, 229380), (956, 172035), (1195, 137628), (1434, 114690), (2151, 76460), (2390, 68814), (2868, 57345), (3585, 45876), (3823, 43020), (4302, 38230), (4780, 34407), (7170, 22938), (7646, 21510), (8604, 19115), (10755, 15292), (11469, 14340)]