90437600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 247484160

約数和(自身を除く): 157046560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 43, 44, 50, 55, 80, 86, 88, 100, 110, 160, 172, 176, 200, 215, 220, 239, 275, 344, 352, 400, 430, 440, 473, 478, 550, 688, 800, 860, 880, 946, 956, 1075, 1100, 1195, 1376, 1720, 1760, 1892, 1912, 2150, 2200, 2365, 2390, 2629, 3440, 3784, 3824, 4300, 4400, 4730, 4780, 5258, 5975, 6880, 7568, 7648, 8600, 8800, 9460, 9560, 10277, 10516, 11825, 11950, 13145, 15136, 17200, 18920, 19120, 20554, 21032, 23650, 23900, 26290, 34400, 37840, 38240, 41108, 42064, 47300, 47800, 51385, 52580, 65725, 75680, 82216, 84128, 94600, 95600, 102770, 105160, 113047, 131450, 164432, 189200, 191200, 205540, 210320, 226094, 256925, 262900, 328864, 378400, 411080, 420640, 452188, 513850, 525800, 565235, 822160, 904376, 1027700, 1051600, 1130470, 1644320, 1808752, 2055400, 2103200, 2260940, 2826175, 3617504, 4110800, 4521880, 5652350, 8221600, 9043760, 11304700, 18087520, 22609400, 45218800, 90437600]

約数ペア:

[(1, 90437600), (2, 45218800), (4, 22609400), (5, 18087520), (8, 11304700), (10, 9043760), (11, 8221600), (16, 5652350), (20, 4521880), (22, 4110800), (25, 3617504), (32, 2826175), (40, 2260940), (43, 2103200), (44, 2055400), (50, 1808752), (55, 1644320), (80, 1130470), (86, 1051600), (88, 1027700), (100, 904376), (110, 822160), (160, 565235), (172, 525800), (176, 513850), (200, 452188), (215, 420640), (220, 411080), (239, 378400), (275, 328864), (344, 262900), (352, 256925), (400, 226094), (430, 210320), (440, 205540), (473, 191200), (478, 189200), (550, 164432), (688, 131450), (800, 113047), (860, 105160), (880, 102770), (946, 95600), (956, 94600), (1075, 84128), (1100, 82216), (1195, 75680), (1376, 65725), (1720, 52580), (1760, 51385), (1892, 47800), (1912, 47300), (2150, 42064), (2200, 41108), (2365, 38240), (2390, 37840), (2629, 34400), (3440, 26290), (3784, 23900), (3824, 23650), (4300, 21032), (4400, 20554), (4730, 19120), (4780, 18920), (5258, 17200), (5975, 15136), (6880, 13145), (7568, 11950), (7648, 11825), (8600, 10516), (8800, 10277), (9460, 9560)]