256870680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11447}}^1$

素因数の和:11489

約数の個数: 128

約数和(自身を含む): 890196480

約数和(自身を除く): 633325800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4488, 5610, 7480, 11220, 11447, 22440, 22894, 34341, 45788, 57235, 68682, 91576, 114470, 125917, 137364, 171705, 194599, 228940, 251834, 274728, 343410, 377751, 389198, 457880, 503668, 583797, 629585, 686820, 755502, 778396, 972995, 1007336, 1167594, 1259170, 1373640, 1511004, 1556792, 1888755, 1945990, 2140589, 2335188, 2518340, 2918985, 3022008, 3777510, 3891980, 4281178, 4670376, 5036680, 5837970, 6421767, 7555020, 7783960, 8562356, 10702945, 11675940, 12843534, 15110040, 17124712, 21405890, 23351880, 25687068, 32108835, 42811780, 51374136, 64217670, 85623560, 128435340, 256870680]

約数ペア:

[(1, 256870680), (2, 128435340), (3, 85623560), (4, 64217670), (5, 51374136), (6, 42811780), (8, 32108835), (10, 25687068), (11, 23351880), (12, 21405890), (15, 17124712), (17, 15110040), (20, 12843534), (22, 11675940), (24, 10702945), (30, 8562356), (33, 7783960), (34, 7555020), (40, 6421767), (44, 5837970), (51, 5036680), (55, 4670376), (60, 4281178), (66, 3891980), (68, 3777510), (85, 3022008), (88, 2918985), (102, 2518340), (110, 2335188), (120, 2140589), (132, 1945990), (136, 1888755), (165, 1556792), (170, 1511004), (187, 1373640), (204, 1259170), (220, 1167594), (255, 1007336), (264, 972995), (330, 778396), (340, 755502), (374, 686820), (408, 629585), (440, 583797), (510, 503668), (561, 457880), (660, 389198), (680, 377751), (748, 343410), (935, 274728), (1020, 251834), (1122, 228940), (1320, 194599), (1496, 171705), (1870, 137364), (2040, 125917), (2244, 114470), (2805, 91576), (3740, 68682), (4488, 57235), (5610, 45788), (7480, 34341), (11220, 22894), (11447, 22440)]