205694560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1609}}^1$

素因数の和:1688

約数の個数: 96

約数和(自身を含む): 525813120

約数和(自身を除く): 320118560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 235, 272, 340, 376, 470, 544, 680, 752, 799, 940, 1360, 1504, 1598, 1609, 1880, 2720, 3196, 3218, 3760, 3995, 6392, 6436, 7520, 7990, 8045, 12784, 12872, 15980, 16090, 25568, 25744, 27353, 31960, 32180, 51488, 54706, 63920, 64360, 75623, 109412, 127840, 128720, 136765, 151246, 218824, 257440, 273530, 302492, 378115, 437648, 547060, 604984, 756230, 875296, 1094120, 1209968, 1285591, 1512460, 2188240, 2419936, 2571182, 3024920, 4376480, 5142364, 6049840, 6427955, 10284728, 12099680, 12855910, 20569456, 25711820, 41138912, 51423640, 102847280, 205694560]

約数ペア:

[(1, 205694560), (2, 102847280), (4, 51423640), (5, 41138912), (8, 25711820), (10, 20569456), (16, 12855910), (17, 12099680), (20, 10284728), (32, 6427955), (34, 6049840), (40, 5142364), (47, 4376480), (68, 3024920), (80, 2571182), (85, 2419936), (94, 2188240), (136, 1512460), (160, 1285591), (170, 1209968), (188, 1094120), (235, 875296), (272, 756230), (340, 604984), (376, 547060), (470, 437648), (544, 378115), (680, 302492), (752, 273530), (799, 257440), (940, 218824), (1360, 151246), (1504, 136765), (1598, 128720), (1609, 127840), (1880, 109412), (2720, 75623), (3196, 64360), (3218, 63920), (3760, 54706), (3995, 51488), (6392, 32180), (6436, 31960), (7520, 27353), (7990, 25744), (8045, 25568), (12784, 16090), (12872, 15980)]