638848080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22751}}^1$

素因数の和:22786

約数の個数: 160

約数和(自身を含む): 2369848320

約数和(自身を除く): 1731000240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 14040, 22751, 28080, 45502, 68253, 91004, 113755, 136506, 182008, 204759, 227510, 273012, 295763, 341265, 364016, 409518, 455020, 546024, 591526, 614277, 682530, 819036, 887289, 910040, 1023795, 1092048, 1183052, 1228554, 1365060, 1478815, 1638072, 1774578, 1820080, 2047590, 2366104, 2457108, 2661867, 2730120, 2957630, 3071385, 3276144, 3549156, 4095180, 4436445, 4732208, 4914216, 5323734, 5460240, 5915260, 6142770, 7098312, 7985601, 8190360, 8872890, 9828432, 10647468, 11830520, 12285540, 13309335, 14196624, 15971202, 16380720, 17745780, 21294936, 23661040, 24571080, 26618670, 31942404, 35491560, 39928005, 42589872, 49142160, 53237340, 63884808, 70983120, 79856010, 106474680, 127769616, 159712020, 212949360, 319424040, 638848080]

約数ペア:

[(1, 638848080), (2, 319424040), (3, 212949360), (4, 159712020), (5, 127769616), (6, 106474680), (8, 79856010), (9, 70983120), (10, 63884808), (12, 53237340), (13, 49142160), (15, 42589872), (16, 39928005), (18, 35491560), (20, 31942404), (24, 26618670), (26, 24571080), (27, 23661040), (30, 21294936), (36, 17745780), (39, 16380720), (40, 15971202), (45, 14196624), (48, 13309335), (52, 12285540), (54, 11830520), (60, 10647468), (65, 9828432), (72, 8872890), (78, 8190360), (80, 7985601), (90, 7098312), (104, 6142770), (108, 5915260), (117, 5460240), (120, 5323734), (130, 4914216), (135, 4732208), (144, 4436445), (156, 4095180), (180, 3549156), (195, 3276144), (208, 3071385), (216, 2957630), (234, 2730120), (240, 2661867), (260, 2457108), (270, 2366104), (312, 2047590), (351, 1820080), (360, 1774578), (390, 1638072), (432, 1478815), (468, 1365060), (520, 1228554), (540, 1183052), (585, 1092048), (624, 1023795), (702, 910040), (720, 887289), (780, 819036), (936, 682530), (1040, 614277), (1080, 591526), (1170, 546024), (1404, 455020), (1560, 409518), (1755, 364016), (1872, 341265), (2160, 295763), (2340, 273012), (2808, 227510), (3120, 204759), (3510, 182008), (4680, 136506), (5616, 113755), (7020, 91004), (9360, 68253), (14040, 45502), (22751, 28080)]