81160800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{4831}}^1$

素因数の和:4861

約数の個数: 144

約数和(自身を含む): 301980672

約数和(自身を除く): 220819872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 2100, 2400, 2800, 3360, 4200, 4831, 5600, 8400, 9662, 14493, 16800, 19324, 24155, 28986, 33817, 38648, 48310, 57972, 67634, 72465, 77296, 96620, 101451, 115944, 120775, 135268, 144930, 154592, 169085, 193240, 202902, 231888, 241550, 270536, 289860, 338170, 362325, 386480, 405804, 463776, 483100, 507255, 541072, 579720, 676340, 724650, 772960, 811608, 845425, 966200, 1014510, 1082144, 1159440, 1352680, 1449300, 1623216, 1690850, 1932400, 2029020, 2318880, 2536275, 2705360, 2898600, 3246432, 3381700, 3864800, 4058040, 5072550, 5410720, 5797200, 6763400, 8116080, 10145100, 11594400, 13526800, 16232160, 20290200, 27053600, 40580400, 81160800]

約数ペア:

[(1, 81160800), (2, 40580400), (3, 27053600), (4, 20290200), (5, 16232160), (6, 13526800), (7, 11594400), (8, 10145100), (10, 8116080), (12, 6763400), (14, 5797200), (15, 5410720), (16, 5072550), (20, 4058040), (21, 3864800), (24, 3381700), (25, 3246432), (28, 2898600), (30, 2705360), (32, 2536275), (35, 2318880), (40, 2029020), (42, 1932400), (48, 1690850), (50, 1623216), (56, 1449300), (60, 1352680), (70, 1159440), (75, 1082144), (80, 1014510), (84, 966200), (96, 845425), (100, 811608), (105, 772960), (112, 724650), (120, 676340), (140, 579720), (150, 541072), (160, 507255), (168, 483100), (175, 463776), (200, 405804), (210, 386480), (224, 362325), (240, 338170), (280, 289860), (300, 270536), (336, 241550), (350, 231888), (400, 202902), (420, 193240), (480, 169085), (525, 154592), (560, 144930), (600, 135268), (672, 120775), (700, 115944), (800, 101451), (840, 96620), (1050, 77296), (1120, 72465), (1200, 67634), (1400, 57972), (1680, 48310), (2100, 38648), (2400, 33817), (2800, 28986), (3360, 24155), (4200, 19324), (4831, 16800), (5600, 14493), (8400, 9662)]