80257080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2543}}^1$

素因数の和:2820

約数の個数: 64

約数和(自身を含む): 241781760

約数和(自身を除く): 161524680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 1052, 1315, 1578, 2104, 2543, 2630, 3156, 3945, 5086, 5260, 6312, 7629, 7890, 10172, 10520, 12715, 15258, 15780, 20344, 25430, 30516, 31560, 38145, 50860, 61032, 76290, 101720, 152580, 305160, 668809, 1337618, 2006427, 2675236, 3344045, 4012854, 5350472, 6688090, 8025708, 10032135, 13376180, 16051416, 20064270, 26752360, 40128540, 80257080]

約数ペア:

[(1, 80257080), (2, 40128540), (3, 26752360), (4, 20064270), (5, 16051416), (6, 13376180), (8, 10032135), (10, 8025708), (12, 6688090), (15, 5350472), (20, 4012854), (24, 3344045), (30, 2675236), (40, 2006427), (60, 1337618), (120, 668809), (263, 305160), (526, 152580), (789, 101720), (1052, 76290), (1315, 61032), (1578, 50860), (2104, 38145), (2543, 31560), (2630, 30516), (3156, 25430), (3945, 20344), (5086, 15780), (5260, 15258), (6312, 12715), (7629, 10520), (7890, 10172)]