81403560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32303}}^1$

素因数の和:32327

約数の個数: 96

約数和(自身を含む): 302365440

約数和(自身を除く): 220961880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32303, 64606, 96909, 129212, 161515, 193818, 226121, 258424, 290727, 323030, 387636, 452242, 484545, 581454, 646060, 678363, 775272, 904484, 969090, 1130605, 1162908, 1292120, 1356726, 1453635, 1808968, 1938180, 2035089, 2261210, 2325816, 2713452, 2907270, 3391815, 3876360, 4070178, 4522420, 5426904, 5814540, 6783630, 8140356, 9044840, 10175445, 11629080, 13567260, 16280712, 20350890, 27134520, 40701780, 81403560]

約数ペア:

[(1, 81403560), (2, 40701780), (3, 27134520), (4, 20350890), (5, 16280712), (6, 13567260), (7, 11629080), (8, 10175445), (9, 9044840), (10, 8140356), (12, 6783630), (14, 5814540), (15, 5426904), (18, 4522420), (20, 4070178), (21, 3876360), (24, 3391815), (28, 2907270), (30, 2713452), (35, 2325816), (36, 2261210), (40, 2035089), (42, 1938180), (45, 1808968), (56, 1453635), (60, 1356726), (63, 1292120), (70, 1162908), (72, 1130605), (84, 969090), (90, 904484), (105, 775272), (120, 678363), (126, 646060), (140, 581454), (168, 484545), (180, 452242), (210, 387636), (252, 323030), (280, 290727), (315, 258424), (360, 226121), (420, 193818), (504, 161515), (630, 129212), (840, 96909), (1260, 64606), (2520, 32303)]