81585840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48563}}^1$

素因数の和:48586

約数の個数: 80

約数和(自身を含む): 289052928

約数和(自身を除く): 207467088

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, 48563, 97126, 145689, 194252, 242815, 291378, 339941, 388504, 485630, 582756, 679882, 728445, 777008, 971260, 1019823, 1165512, 1359764, 1456890, 1699705, 1942520, 2039646, 2331024, 2719528, 2913780, 3399410, 3885040, 4079292, 5099115, 5439056, 5827560, 6798820, 8158584, 10198230, 11655120, 13597640, 16317168, 20396460, 27195280, 40792920, 81585840]

約数ペア:

[(1, 81585840), (2, 40792920), (3, 27195280), (4, 20396460), (5, 16317168), (6, 13597640), (7, 11655120), (8, 10198230), (10, 8158584), (12, 6798820), (14, 5827560), (15, 5439056), (16, 5099115), (20, 4079292), (21, 3885040), (24, 3399410), (28, 2913780), (30, 2719528), (35, 2331024), (40, 2039646), (42, 1942520), (48, 1699705), (56, 1456890), (60, 1359764), (70, 1165512), (80, 1019823), (84, 971260), (105, 777008), (112, 728445), (120, 679882), (140, 582756), (168, 485630), (210, 388504), (240, 339941), (280, 291378), (336, 242815), (420, 194252), (560, 145689), (840, 97126), (1680, 48563)]