2005261680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{81119}}^1$

素因数の和:81238

約数の個数: 80

約数和(自身を含む): 6276741120

約数和(自身を除く): 4271479440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1648, 2060, 2472, 3090, 4120, 4944, 6180, 8240, 12360, 24720, 81119, 162238, 243357, 324476, 405595, 486714, 648952, 811190, 973428, 1216785, 1297904, 1622380, 1946856, 2433570, 3244760, 3893712, 4867140, 6489520, 8355257, 9734280, 16710514, 19468560, 25065771, 33421028, 41776285, 50131542, 66842056, 83552570, 100263084, 125328855, 133684112, 167105140, 200526168, 250657710, 334210280, 401052336, 501315420, 668420560, 1002630840, 2005261680]

約数ペア:

[(1, 2005261680), (2, 1002630840), (3, 668420560), (4, 501315420), (5, 401052336), (6, 334210280), (8, 250657710), (10, 200526168), (12, 167105140), (15, 133684112), (16, 125328855), (20, 100263084), (24, 83552570), (30, 66842056), (40, 50131542), (48, 41776285), (60, 33421028), (80, 25065771), (103, 19468560), (120, 16710514), (206, 9734280), (240, 8355257), (309, 6489520), (412, 4867140), (515, 3893712), (618, 3244760), (824, 2433570), (1030, 1946856), (1236, 1622380), (1545, 1297904), (1648, 1216785), (2060, 973428), (2472, 811190), (3090, 648952), (4120, 486714), (4944, 405595), (6180, 324476), (8240, 243357), (12360, 162238), (24720, 81119)]