81660600

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{6481}}^1$

素因数の和:6510

約数の個数: 144

約数和(自身を含む): 313469520

約数和(自身を除く): 231808920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2520, 3150, 4200, 6300, 6481, 12600, 12962, 19443, 25924, 32405, 38886, 45367, 51848, 58329, 64810, 77772, 90734, 97215, 116658, 129620, 136101, 155544, 162025, 181468, 194430, 226835, 233316, 259240, 272202, 291645, 324050, 362936, 388860, 408303, 453670, 466632, 486075, 544404, 583290, 648100, 680505, 777720, 816606, 907340, 972150, 1088808, 1134175, 1166580, 1296200, 1361010, 1458225, 1633212, 1814680, 1944300, 2041515, 2268350, 2333160, 2722020, 2916450, 3266424, 3402525, 3888600, 4083030, 4536700, 5444040, 5832900, 6805050, 8166060, 9073400, 10207575, 11665800, 13610100, 16332120, 20415150, 27220200, 40830300, 81660600]

約数ペア:

[(1, 81660600), (2, 40830300), (3, 27220200), (4, 20415150), (5, 16332120), (6, 13610100), (7, 11665800), (8, 10207575), (9, 9073400), (10, 8166060), (12, 6805050), (14, 5832900), (15, 5444040), (18, 4536700), (20, 4083030), (21, 3888600), (24, 3402525), (25, 3266424), (28, 2916450), (30, 2722020), (35, 2333160), (36, 2268350), (40, 2041515), (42, 1944300), (45, 1814680), (50, 1633212), (56, 1458225), (60, 1361010), (63, 1296200), (70, 1166580), (72, 1134175), (75, 1088808), (84, 972150), (90, 907340), (100, 816606), (105, 777720), (120, 680505), (126, 648100), (140, 583290), (150, 544404), (168, 486075), (175, 466632), (180, 453670), (200, 408303), (210, 388860), (225, 362936), (252, 324050), (280, 291645), (300, 272202), (315, 259240), (350, 233316), (360, 226835), (420, 194430), (450, 181468), (504, 162025), (525, 155544), (600, 136101), (630, 129620), (700, 116658), (840, 97215), (900, 90734), (1050, 77772), (1260, 64810), (1400, 58329), (1575, 51848), (1800, 45367), (2100, 38886), (2520, 32405), (3150, 25924), (4200, 19443), (6300, 12962), (6481, 12600)]