1289903560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 192

約数和(自身を含む): 3446498160

約数和(自身を除く): 2156594600

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 61, 68, 85, 88, 110, 121, 122, 136, 170, 187, 220, 242, 244, 257, 305, 340, 374, 440, 484, 488, 514, 605, 610, 671, 680, 748, 935, 968, 1028, 1037, 1210, 1220, 1285, 1342, 1496, 1870, 2056, 2057, 2074, 2420, 2440, 2570, 2684, 2827, 3355, 3740, 4114, 4148, 4369, 4840, 5140, 5185, 5368, 5654, 6710, 7381, 7480, 8228, 8296, 8738, 10280, 10285, 10370, 11308, 11407, 13420, 14135, 14762, 15677, 16456, 17476, 20570, 20740, 21845, 22616, 22814, 26840, 28270, 29524, 31097, 31354, 34952, 36905, 41140, 41480, 43690, 45628, 48059, 56540, 57035, 59048, 62194, 62708, 73810, 78385, 82280, 87380, 91256, 96118, 113080, 114070, 124388, 125416, 125477, 147620, 155485, 156770, 172447, 174760, 192236, 228140, 240295, 248776, 250954, 266509, 295240, 310970, 313540, 344894, 384472, 456280, 480590, 501908, 528649, 533018, 621940, 627080, 627385, 689788, 862235, 961180, 1003816, 1057298, 1066036, 1243880, 1254770, 1332545, 1379576, 1724470, 1896917, 1922360, 2114596, 2132072, 2509540, 2643245, 2665090, 2931599, 3448940, 3793834, 4229192, 5019080, 5286490, 5330180, 5863198, 6897880, 7587668, 9484585, 10572980, 10660360, 11726396, 14657995, 15175336, 18969170, 21145960, 23452792, 29315990, 32247589, 37938340, 58631980, 64495178, 75876680, 117263960, 128990356, 161237945, 257980712, 322475890, 644951780, 1289903560]

約数ペア:

[(1, 1289903560), (2, 644951780), (4, 322475890), (5, 257980712), (8, 161237945), (10, 128990356), (11, 117263960), (17, 75876680), (20, 64495178), (22, 58631980), (34, 37938340), (40, 32247589), (44, 29315990), (55, 23452792), (61, 21145960), (68, 18969170), (85, 15175336), (88, 14657995), (110, 11726396), (121, 10660360), (122, 10572980), (136, 9484585), (170, 7587668), (187, 6897880), (220, 5863198), (242, 5330180), (244, 5286490), (257, 5019080), (305, 4229192), (340, 3793834), (374, 3448940), (440, 2931599), (484, 2665090), (488, 2643245), (514, 2509540), (605, 2132072), (610, 2114596), (671, 1922360), (680, 1896917), (748, 1724470), (935, 1379576), (968, 1332545), (1028, 1254770), (1037, 1243880), (1210, 1066036), (1220, 1057298), (1285, 1003816), (1342, 961180), (1496, 862235), (1870, 689788), (2056, 627385), (2057, 627080), (2074, 621940), (2420, 533018), (2440, 528649), (2570, 501908), (2684, 480590), (2827, 456280), (3355, 384472), (3740, 344894), (4114, 313540), (4148, 310970), (4369, 295240), (4840, 266509), (5140, 250954), (5185, 248776), (5368, 240295), (5654, 228140), (6710, 192236), (7381, 174760), (7480, 172447), (8228, 156770), (8296, 155485), (8738, 147620), (10280, 125477), (10285, 125416), (10370, 124388), (11308, 114070), (11407, 113080), (13420, 96118), (14135, 91256), (14762, 87380), (15677, 82280), (16456, 78385), (17476, 73810), (20570, 62708), (20740, 62194), (21845, 59048), (22616, 57035), (22814, 56540), (26840, 48059), (28270, 45628), (29524, 43690), (31097, 41480), (31354, 41140), (34952, 36905)]