15786025520

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1\times {\mathrm{4001}}^1$

素因数の和:4494

約数の個数: 80

約数和(自身を含む): 37069725600

約数和(自身を除く): 21283700080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 331, 596, 662, 745, 1192, 1324, 1490, 1655, 2384, 2648, 2980, 3310, 4001, 5296, 5960, 6620, 8002, 11920, 13240, 16004, 20005, 26480, 32008, 40010, 49319, 64016, 80020, 98638, 160040, 197276, 246595, 320080, 394552, 493190, 596149, 789104, 986380, 1192298, 1324331, 1972760, 2384596, 2648662, 2980745, 3945520, 4769192, 5297324, 5961490, 6621655, 9538384, 10594648, 11922980, 13243310, 21189296, 23845960, 26486620, 47691920, 52973240, 105946480, 197325319, 394650638, 789301276, 986626595, 1578602552, 1973253190, 3157205104, 3946506380, 7893012760, 15786025520]

約数ペア:

[(1, 15786025520), (2, 7893012760), (4, 3946506380), (5, 3157205104), (8, 1973253190), (10, 1578602552), (16, 986626595), (20, 789301276), (40, 394650638), (80, 197325319), (149, 105946480), (298, 52973240), (331, 47691920), (596, 26486620), (662, 23845960), (745, 21189296), (1192, 13243310), (1324, 11922980), (1490, 10594648), (1655, 9538384), (2384, 6621655), (2648, 5961490), (2980, 5297324), (3310, 4769192), (4001, 3945520), (5296, 2980745), (5960, 2648662), (6620, 2384596), (8002, 1972760), (11920, 1324331), (13240, 1192298), (16004, 986380), (20005, 789104), (26480, 596149), (32008, 493190), (40010, 394552), (49319, 320080), (64016, 246595), (80020, 197276), (98638, 160040)]