291232480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 216

約数和(自身を含む): 882610344

約数和(自身を除く): 591377864

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 160, 176, 196, 220, 224, 242, 245, 280, 307, 308, 352, 385, 392, 440, 484, 490, 539, 560, 605, 614, 616, 770, 784, 847, 880, 968, 980, 1078, 1120, 1210, 1228, 1232, 1535, 1540, 1568, 1694, 1760, 1936, 1960, 2149, 2156, 2420, 2456, 2464, 2695, 3070, 3080, 3377, 3388, 3872, 3920, 4235, 4298, 4312, 4840, 4912, 5390, 5929, 6140, 6160, 6754, 6776, 7840, 8470, 8596, 8624, 9680, 9824, 10745, 10780, 11858, 12280, 12320, 13508, 13552, 15043, 16885, 16940, 17192, 17248, 19360, 21490, 21560, 23639, 23716, 24560, 27016, 27104, 29645, 30086, 33770, 33880, 34384, 37147, 42980, 43120, 47278, 47432, 49120, 54032, 59290, 60172, 67540, 67760, 68768, 74294, 75215, 85960, 86240, 94556, 94864, 108064, 118195, 118580, 120344, 135080, 135520, 148588, 150430, 165473, 171920, 185735, 189112, 189728, 236390, 237160, 240688, 260029, 270160, 297176, 300860, 330946, 343840, 371470, 378224, 472780, 474320, 481376, 520058, 540320, 594352, 601720, 661892, 742940, 756448, 827365, 945560, 948640, 1040116, 1188704, 1203440, 1300145, 1323784, 1485880, 1654730, 1820203, 1891120, 2080232, 2406880, 2600290, 2647568, 2971760, 3309460, 3640406, 3782240, 4160464, 5200580, 5295136, 5943520, 6618920, 7280812, 8320928, 9101015, 10401160, 13237840, 14561624, 18202030, 20802320, 26475680, 29123248, 36404060, 41604640, 58246496, 72808120, 145616240, 291232480]

約数ペア:

[(1, 291232480), (2, 145616240), (4, 72808120), (5, 58246496), (7, 41604640), (8, 36404060), (10, 29123248), (11, 26475680), (14, 20802320), (16, 18202030), (20, 14561624), (22, 13237840), (28, 10401160), (32, 9101015), (35, 8320928), (40, 7280812), (44, 6618920), (49, 5943520), (55, 5295136), (56, 5200580), (70, 4160464), (77, 3782240), (80, 3640406), (88, 3309460), (98, 2971760), (110, 2647568), (112, 2600290), (121, 2406880), (140, 2080232), (154, 1891120), (160, 1820203), (176, 1654730), (196, 1485880), (220, 1323784), (224, 1300145), (242, 1203440), (245, 1188704), (280, 1040116), (307, 948640), (308, 945560), (352, 827365), (385, 756448), (392, 742940), (440, 661892), (484, 601720), (490, 594352), (539, 540320), (560, 520058), (605, 481376), (614, 474320), (616, 472780), (770, 378224), (784, 371470), (847, 343840), (880, 330946), (968, 300860), (980, 297176), (1078, 270160), (1120, 260029), (1210, 240688), (1228, 237160), (1232, 236390), (1535, 189728), (1540, 189112), (1568, 185735), (1694, 171920), (1760, 165473), (1936, 150430), (1960, 148588), (2149, 135520), (2156, 135080), (2420, 120344), (2456, 118580), (2464, 118195), (2695, 108064), (3070, 94864), (3080, 94556), (3377, 86240), (3388, 85960), (3872, 75215), (3920, 74294), (4235, 68768), (4298, 67760), (4312, 67540), (4840, 60172), (4912, 59290), (5390, 54032), (5929, 49120), (6140, 47432), (6160, 47278), (6754, 43120), (6776, 42980), (7840, 37147), (8470, 34384), (8596, 33880), (8624, 33770), (9680, 30086), (9824, 29645), (10745, 27104), (10780, 27016), (11858, 24560), (12280, 23716), (12320, 23639), (13508, 21560), (13552, 21490), (15043, 19360), (16885, 17248), (16940, 17192)]