47712800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 127179360

約数和(自身を除く): 79466560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 43, 50, 73, 76, 80, 86, 95, 100, 146, 152, 160, 172, 190, 200, 215, 292, 304, 344, 365, 380, 400, 430, 475, 584, 608, 688, 730, 760, 800, 817, 860, 950, 1075, 1168, 1376, 1387, 1460, 1520, 1634, 1720, 1825, 1900, 2150, 2336, 2774, 2920, 3040, 3139, 3268, 3440, 3650, 3800, 4085, 4300, 5548, 5840, 6278, 6536, 6880, 6935, 7300, 7600, 8170, 8600, 11096, 11680, 12556, 13072, 13870, 14600, 15200, 15695, 16340, 17200, 20425, 22192, 25112, 26144, 27740, 29200, 31390, 32680, 34400, 34675, 40850, 44384, 50224, 55480, 58400, 59641, 62780, 65360, 69350, 78475, 81700, 100448, 110960, 119282, 125560, 130720, 138700, 156950, 163400, 221920, 238564, 251120, 277400, 298205, 313900, 326800, 477128, 502240, 554800, 596410, 627800, 653600, 954256, 1109600, 1192820, 1255600, 1491025, 1908512, 2385640, 2511200, 2982050, 4771280, 5964100, 9542560, 11928200, 23856400, 47712800]

約数ペア:

[(1, 47712800), (2, 23856400), (4, 11928200), (5, 9542560), (8, 5964100), (10, 4771280), (16, 2982050), (19, 2511200), (20, 2385640), (25, 1908512), (32, 1491025), (38, 1255600), (40, 1192820), (43, 1109600), (50, 954256), (73, 653600), (76, 627800), (80, 596410), (86, 554800), (95, 502240), (100, 477128), (146, 326800), (152, 313900), (160, 298205), (172, 277400), (190, 251120), (200, 238564), (215, 221920), (292, 163400), (304, 156950), (344, 138700), (365, 130720), (380, 125560), (400, 119282), (430, 110960), (475, 100448), (584, 81700), (608, 78475), (688, 69350), (730, 65360), (760, 62780), (800, 59641), (817, 58400), (860, 55480), (950, 50224), (1075, 44384), (1168, 40850), (1376, 34675), (1387, 34400), (1460, 32680), (1520, 31390), (1634, 29200), (1720, 27740), (1825, 26144), (1900, 25112), (2150, 22192), (2336, 20425), (2774, 17200), (2920, 16340), (3040, 15695), (3139, 15200), (3268, 14600), (3440, 13870), (3650, 13072), (3800, 12556), (4085, 11680), (4300, 11096), (5548, 8600), (5840, 8170), (6278, 7600), (6536, 7300), (6880, 6935)]