72904160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{547}}^1$

素因数の和:593

約数の個数: 144

約数和(自身を含む): 212529744

約数和(自身を除く): 139625584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 340, 392, 476, 490, 544, 547, 560, 595, 680, 784, 833, 952, 980, 1094, 1120, 1190, 1360, 1568, 1666, 1904, 1960, 2188, 2380, 2720, 2735, 3332, 3808, 3829, 3920, 4165, 4376, 4760, 5470, 6664, 7658, 7840, 8330, 8752, 9299, 9520, 10940, 13328, 15316, 16660, 17504, 18598, 19040, 19145, 21880, 26656, 26803, 30632, 33320, 37196, 38290, 43760, 46495, 53606, 61264, 65093, 66640, 74392, 76580, 87520, 92990, 107212, 122528, 130186, 133280, 134015, 148784, 153160, 185980, 214424, 260372, 268030, 297568, 306320, 325465, 371960, 428848, 455651, 520744, 536060, 612640, 650930, 743920, 857696, 911302, 1041488, 1072120, 1301860, 1487840, 1822604, 2082976, 2144240, 2278255, 2603720, 3645208, 4288480, 4556510, 5207440, 7290416, 9113020, 10414880, 14580832, 18226040, 36452080, 72904160]

約数ペア:

[(1, 72904160), (2, 36452080), (4, 18226040), (5, 14580832), (7, 10414880), (8, 9113020), (10, 7290416), (14, 5207440), (16, 4556510), (17, 4288480), (20, 3645208), (28, 2603720), (32, 2278255), (34, 2144240), (35, 2082976), (40, 1822604), (49, 1487840), (56, 1301860), (68, 1072120), (70, 1041488), (80, 911302), (85, 857696), (98, 743920), (112, 650930), (119, 612640), (136, 536060), (140, 520744), (160, 455651), (170, 428848), (196, 371960), (224, 325465), (238, 306320), (245, 297568), (272, 268030), (280, 260372), (340, 214424), (392, 185980), (476, 153160), (490, 148784), (544, 134015), (547, 133280), (560, 130186), (595, 122528), (680, 107212), (784, 92990), (833, 87520), (952, 76580), (980, 74392), (1094, 66640), (1120, 65093), (1190, 61264), (1360, 53606), (1568, 46495), (1666, 43760), (1904, 38290), (1960, 37196), (2188, 33320), (2380, 30632), (2720, 26803), (2735, 26656), (3332, 21880), (3808, 19145), (3829, 19040), (3920, 18598), (4165, 17504), (4376, 16660), (4760, 15316), (5470, 13328), (6664, 10940), (7658, 9520), (7840, 9299), (8330, 8752)]