66541440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{4951}}^1$

素因数の和:4980

約数の個数: 128

約数和(自身を含む): 242449920

約数和(自身を除く): 175908480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 4951, 6720, 9902, 13440, 14853, 19804, 24755, 29706, 34657, 39608, 49510, 59412, 69314, 74265, 79216, 99020, 103971, 118824, 138628, 148530, 158432, 173285, 198040, 207942, 237648, 277256, 297060, 316864, 346570, 396080, 415884, 475296, 519855, 554512, 594120, 633728, 693140, 792160, 831768, 950592, 1039710, 1109024, 1188240, 1386280, 1584320, 1663536, 1901184, 2079420, 2218048, 2376480, 2772560, 3168640, 3327072, 4158840, 4436096, 4752960, 5545120, 6654144, 8317680, 9505920, 11090240, 13308288, 16635360, 22180480, 33270720, 66541440]

約数ペア:

[(1, 66541440), (2, 33270720), (3, 22180480), (4, 16635360), (5, 13308288), (6, 11090240), (7, 9505920), (8, 8317680), (10, 6654144), (12, 5545120), (14, 4752960), (15, 4436096), (16, 4158840), (20, 3327072), (21, 3168640), (24, 2772560), (28, 2376480), (30, 2218048), (32, 2079420), (35, 1901184), (40, 1663536), (42, 1584320), (48, 1386280), (56, 1188240), (60, 1109024), (64, 1039710), (70, 950592), (80, 831768), (84, 792160), (96, 693140), (105, 633728), (112, 594120), (120, 554512), (128, 519855), (140, 475296), (160, 415884), (168, 396080), (192, 346570), (210, 316864), (224, 297060), (240, 277256), (280, 237648), (320, 207942), (336, 198040), (384, 173285), (420, 158432), (448, 148530), (480, 138628), (560, 118824), (640, 103971), (672, 99020), (840, 79216), (896, 74265), (960, 69314), (1120, 59412), (1344, 49510), (1680, 39608), (1920, 34657), (2240, 29706), (2688, 24755), (3360, 19804), (4480, 14853), (4951, 13440), (6720, 9902)]