80711505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 165150720

約数和(自身を除く): 84439215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 223, 315, 383, 669, 945, 1115, 1149, 1561, 1915, 2007, 2681, 3345, 3447, 4683, 5745, 6021, 7805, 8043, 10035, 10341, 13405, 14049, 17235, 23415, 24129, 30105, 40215, 42147, 51705, 70245, 72387, 85409, 120645, 210735, 256227, 361935, 427045, 597863, 768681, 1281135, 1793589, 2306043, 2989315, 3843405, 5380767, 8967945, 11530215, 16142301, 26903835, 80711505]

約数ペア:

[(1, 80711505), (3, 26903835), (5, 16142301), (7, 11530215), (9, 8967945), (15, 5380767), (21, 3843405), (27, 2989315), (35, 2306043), (45, 1793589), (63, 1281135), (105, 768681), (135, 597863), (189, 427045), (223, 361935), (315, 256227), (383, 210735), (669, 120645), (945, 85409), (1115, 72387), (1149, 70245), (1561, 51705), (1915, 42147), (2007, 40215), (2681, 30105), (3345, 24129), (3447, 23415), (4683, 17235), (5745, 14049), (6021, 13405), (7805, 10341), (8043, 10035)]