257125680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3001}}^1$

素因数の和:3044

約数の個数: 240

約数和(自身を含む): 1045272384

約数和(自身を除く): 788146704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1904, 2040, 2142, 2380, 2448, 2520, 2856, 3001, 3060, 3570, 4080, 4284, 4760, 5040, 5355, 5712, 6002, 6120, 7140, 8568, 9003, 9520, 10710, 12004, 12240, 14280, 15005, 17136, 18006, 21007, 21420, 24008, 27009, 28560, 30010, 36012, 42014, 42840, 45015, 48016, 51017, 54018, 60020, 63021, 72024, 84028, 85680, 90030, 102034, 105035, 108036, 120040, 126042, 135045, 144048, 153051, 168056, 180060, 189063, 204068, 210070, 216072, 240080, 252084, 255085, 270090, 306102, 315105, 336112, 357119, 360120, 378126, 408136, 420140, 432144, 459153, 504168, 510170, 540180, 612204, 630210, 714238, 720240, 756252, 765255, 816272, 840280, 918306, 945315, 1008336, 1020340, 1071357, 1080360, 1224408, 1260420, 1428476, 1512504, 1530510, 1680560, 1785595, 1836612, 1890630, 2040680, 2142714, 2160720, 2295765, 2448816, 2520840, 2856952, 3025008, 3061020, 3214071, 3571190, 3673224, 3781260, 4081360, 4285428, 4591530, 5041680, 5356785, 5713904, 6122040, 6428142, 7142380, 7346448, 7562520, 8570856, 9183060, 10713570, 12244080, 12856284, 14284760, 15125040, 16070355, 17141712, 18366120, 21427140, 25712568, 28569520, 32140710, 36732240, 42854280, 51425136, 64281420, 85708560, 128562840, 257125680]

約数ペア:

[(1, 257125680), (2, 128562840), (3, 85708560), (4, 64281420), (5, 51425136), (6, 42854280), (7, 36732240), (8, 32140710), (9, 28569520), (10, 25712568), (12, 21427140), (14, 18366120), (15, 17141712), (16, 16070355), (17, 15125040), (18, 14284760), (20, 12856284), (21, 12244080), (24, 10713570), (28, 9183060), (30, 8570856), (34, 7562520), (35, 7346448), (36, 7142380), (40, 6428142), (42, 6122040), (45, 5713904), (48, 5356785), (51, 5041680), (56, 4591530), (60, 4285428), (63, 4081360), (68, 3781260), (70, 3673224), (72, 3571190), (80, 3214071), (84, 3061020), (85, 3025008), (90, 2856952), (102, 2520840), (105, 2448816), (112, 2295765), (119, 2160720), (120, 2142714), (126, 2040680), (136, 1890630), (140, 1836612), (144, 1785595), (153, 1680560), (168, 1530510), (170, 1512504), (180, 1428476), (204, 1260420), (210, 1224408), (238, 1080360), (240, 1071357), (252, 1020340), (255, 1008336), (272, 945315), (280, 918306), (306, 840280), (315, 816272), (336, 765255), (340, 756252), (357, 720240), (360, 714238), (408, 630210), (420, 612204), (476, 540180), (504, 510170), (510, 504168), (560, 459153), (595, 432144), (612, 420140), (630, 408136), (680, 378126), (714, 360120), (720, 357119), (765, 336112), (816, 315105), (840, 306102), (952, 270090), (1008, 255085), (1020, 252084), (1071, 240080), (1190, 216072), (1224, 210070), (1260, 204068), (1360, 189063), (1428, 180060), (1530, 168056), (1680, 153051), (1785, 144048), (1904, 135045), (2040, 126042), (2142, 120040), (2380, 108036), (2448, 105035), (2520, 102034), (2856, 90030), (3001, 85680), (3060, 84028), (3570, 72024), (4080, 63021), (4284, 60020), (4760, 54018), (5040, 51017), (5355, 48016), (5712, 45015), (6002, 42840), (6120, 42014), (7140, 36012), (8568, 30010), (9003, 28560), (9520, 27009), (10710, 24008), (12004, 21420), (12240, 21007), (14280, 18006), (15005, 17136)]