66978240

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{9967}}^1$

素因数の和:9994

約数の個数: 112

約数和(自身を含む): 243059712

約数和(自身を除く): 176081472

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, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 9967, 19934, 29901, 39868, 49835, 59802, 69769, 79736, 99670, 119604, 139538, 149505, 159472, 199340, 209307, 239208, 279076, 299010, 318944, 348845, 398680, 418614, 478416, 558152, 598020, 637888, 697690, 797360, 837228, 956832, 1046535, 1116304, 1196040, 1395380, 1594720, 1674456, 1913664, 2093070, 2232608, 2392080, 2790760, 3189440, 3348912, 4186140, 4465216, 4784160, 5581520, 6697824, 8372280, 9568320, 11163040, 13395648, 16744560, 22326080, 33489120, 66978240]

約数ペア:

[(1, 66978240), (2, 33489120), (3, 22326080), (4, 16744560), (5, 13395648), (6, 11163040), (7, 9568320), (8, 8372280), (10, 6697824), (12, 5581520), (14, 4784160), (15, 4465216), (16, 4186140), (20, 3348912), (21, 3189440), (24, 2790760), (28, 2392080), (30, 2232608), (32, 2093070), (35, 1913664), (40, 1674456), (42, 1594720), (48, 1395380), (56, 1196040), (60, 1116304), (64, 1046535), (70, 956832), (80, 837228), (84, 797360), (96, 697690), (105, 637888), (112, 598020), (120, 558152), (140, 478416), (160, 418614), (168, 398680), (192, 348845), (210, 318944), (224, 299010), (240, 279076), (280, 239208), (320, 209307), (336, 199340), (420, 159472), (448, 149505), (480, 139538), (560, 119604), (672, 99670), (840, 79736), (960, 69769), (1120, 59802), (1344, 49835), (1680, 39868), (2240, 29901), (3360, 19934), (6720, 9967)]