257817240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:546

約数の個数: 192

約数和(自身を含む): 897998400

約数和(自身を除く): 640181160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 103, 120, 136, 153, 170, 180, 204, 206, 255, 306, 309, 340, 360, 408, 409, 412, 510, 515, 612, 618, 680, 765, 818, 824, 927, 1020, 1030, 1224, 1227, 1236, 1530, 1545, 1636, 1751, 1854, 2040, 2045, 2060, 2454, 2472, 3060, 3090, 3272, 3502, 3681, 3708, 4090, 4120, 4635, 4908, 5253, 6120, 6135, 6180, 6953, 7004, 7362, 7416, 8180, 8755, 9270, 9816, 10506, 12270, 12360, 13906, 14008, 14724, 15759, 16360, 17510, 18405, 18540, 20859, 21012, 24540, 26265, 27812, 29448, 31518, 34765, 35020, 36810, 37080, 41718, 42024, 42127, 49080, 52530, 55624, 62577, 63036, 69530, 70040, 73620, 78795, 83436, 84254, 104295, 105060, 125154, 126072, 126381, 139060, 147240, 157590, 166872, 168508, 208590, 210120, 210635, 250308, 252762, 278120, 312885, 315180, 337016, 379143, 417180, 421270, 500616, 505524, 625770, 630360, 631905, 716159, 758286, 834360, 842540, 1011048, 1251540, 1263810, 1432318, 1516572, 1685080, 1895715, 2148477, 2503080, 2527620, 2864636, 3033144, 3580795, 3791430, 4296954, 5055240, 5729272, 6445431, 7161590, 7582860, 8593908, 10742385, 12890862, 14323180, 15165720, 17187816, 21484770, 25781724, 28646360, 32227155, 42969540, 51563448, 64454310, 85939080, 128908620, 257817240]

約数ペア:

[(1, 257817240), (2, 128908620), (3, 85939080), (4, 64454310), (5, 51563448), (6, 42969540), (8, 32227155), (9, 28646360), (10, 25781724), (12, 21484770), (15, 17187816), (17, 15165720), (18, 14323180), (20, 12890862), (24, 10742385), (30, 8593908), (34, 7582860), (36, 7161590), (40, 6445431), (45, 5729272), (51, 5055240), (60, 4296954), (68, 3791430), (72, 3580795), (85, 3033144), (90, 2864636), (102, 2527620), (103, 2503080), (120, 2148477), (136, 1895715), (153, 1685080), (170, 1516572), (180, 1432318), (204, 1263810), (206, 1251540), (255, 1011048), (306, 842540), (309, 834360), (340, 758286), (360, 716159), (408, 631905), (409, 630360), (412, 625770), (510, 505524), (515, 500616), (612, 421270), (618, 417180), (680, 379143), (765, 337016), (818, 315180), (824, 312885), (927, 278120), (1020, 252762), (1030, 250308), (1224, 210635), (1227, 210120), (1236, 208590), (1530, 168508), (1545, 166872), (1636, 157590), (1751, 147240), (1854, 139060), (2040, 126381), (2045, 126072), (2060, 125154), (2454, 105060), (2472, 104295), (3060, 84254), (3090, 83436), (3272, 78795), (3502, 73620), (3681, 70040), (3708, 69530), (4090, 63036), (4120, 62577), (4635, 55624), (4908, 52530), (5253, 49080), (6120, 42127), (6135, 42024), (6180, 41718), (6953, 37080), (7004, 36810), (7362, 35020), (7416, 34765), (8180, 31518), (8755, 29448), (9270, 27812), (9816, 26265), (10506, 24540), (12270, 21012), (12360, 20859), (13906, 18540), (14008, 18405), (14724, 17510), (15759, 16360)]