81418680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32309}}^1$

素因数の和:32333

約数の個数: 96

約数和(自身を含む): 302421600

約数和(自身を除く): 221002920

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, 32309, 64618, 96927, 129236, 161545, 193854, 226163, 258472, 290781, 323090, 387708, 452326, 484635, 581562, 646180, 678489, 775416, 904652, 969270, 1130815, 1163124, 1292360, 1356978, 1453905, 1809304, 1938540, 2035467, 2261630, 2326248, 2713956, 2907810, 3392445, 3877080, 4070934, 4523260, 5427912, 5815620, 6784890, 8141868, 9046520, 10177335, 11631240, 13569780, 16283736, 20354670, 27139560, 40709340, 81418680]

約数ペア:

[(1, 81418680), (2, 40709340), (3, 27139560), (4, 20354670), (5, 16283736), (6, 13569780), (7, 11631240), (8, 10177335), (9, 9046520), (10, 8141868), (12, 6784890), (14, 5815620), (15, 5427912), (18, 4523260), (20, 4070934), (21, 3877080), (24, 3392445), (28, 2907810), (30, 2713956), (35, 2326248), (36, 2261630), (40, 2035467), (42, 1938540), (45, 1809304), (56, 1453905), (60, 1356978), (63, 1292360), (70, 1163124), (72, 1130815), (84, 969270), (90, 904652), (105, 775416), (120, 678489), (126, 646180), (140, 581562), (168, 484635), (180, 452326), (210, 387708), (252, 323090), (280, 290781), (315, 258472), (360, 226163), (420, 193854), (504, 161545), (630, 129236), (840, 96927), (1260, 64618), (2520, 32309)]