81417840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48463}}^1$

素因数の和:48486

約数の個数: 80

約数和(自身を含む): 288457728

約数和(自身を除く): 207039888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48463, 96926, 145389, 193852, 242315, 290778, 339241, 387704, 484630, 581556, 678482, 726945, 775408, 969260, 1017723, 1163112, 1356964, 1453890, 1696205, 1938520, 2035446, 2326224, 2713928, 2907780, 3392410, 3877040, 4070892, 5088615, 5427856, 5815560, 6784820, 8141784, 10177230, 11631120, 13569640, 16283568, 20354460, 27139280, 40708920, 81417840]

約数ペア:

[(1, 81417840), (2, 40708920), (3, 27139280), (4, 20354460), (5, 16283568), (6, 13569640), (7, 11631120), (8, 10177230), (10, 8141784), (12, 6784820), (14, 5815560), (15, 5427856), (16, 5088615), (20, 4070892), (21, 3877040), (24, 3392410), (28, 2907780), (30, 2713928), (35, 2326224), (40, 2035446), (42, 1938520), (48, 1696205), (56, 1453890), (60, 1356964), (70, 1163112), (80, 1017723), (84, 969260), (105, 775408), (112, 726945), (120, 678482), (140, 581556), (168, 484630), (210, 387704), (240, 339241), (280, 290778), (336, 242315), (420, 193852), (560, 145389), (840, 96926), (1680, 48463)]