1780528090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{12143}}^1$

素因数の和:12235

約数の個数: 64

約数和(自身を含む): 3693330432

約数和(自身を除く): 1912802342

約数列:

[1, 2, 5, 10, 11, 22, 31, 43, 55, 62, 86, 110, 155, 215, 310, 341, 430, 473, 682, 946, 1333, 1705, 2365, 2666, 3410, 4730, 6665, 12143, 13330, 14663, 24286, 29326, 60715, 73315, 121430, 133573, 146630, 267146, 376433, 522149, 667865, 752866, 1044298, 1335730, 1882165, 2610745, 3764330, 4140763, 5221490, 5743639, 8281526, 11487278, 16186619, 20703815, 28718195, 32373238, 41407630, 57436390, 80933095, 161866190, 178052809, 356105618, 890264045, 1780528090]

約数ペア:

[(1, 1780528090), (2, 890264045), (5, 356105618), (10, 178052809), (11, 161866190), (22, 80933095), (31, 57436390), (43, 41407630), (55, 32373238), (62, 28718195), (86, 20703815), (110, 16186619), (155, 11487278), (215, 8281526), (310, 5743639), (341, 5221490), (430, 4140763), (473, 3764330), (682, 2610745), (946, 1882165), (1333, 1335730), (1705, 1044298), (2365, 752866), (2666, 667865), (3410, 522149), (4730, 376433), (6665, 267146), (12143, 146630), (13330, 133573), (14663, 121430), (24286, 73315), (29326, 60715)]