311182960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 883443456

約数和(自身を除く): 572260496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 34, 40, 44, 55, 61, 62, 68, 80, 85, 88, 110, 121, 122, 124, 136, 155, 170, 176, 187, 220, 242, 244, 248, 272, 305, 310, 340, 341, 374, 440, 484, 488, 496, 527, 605, 610, 620, 671, 680, 682, 748, 880, 935, 968, 976, 1037, 1054, 1210, 1220, 1240, 1342, 1360, 1364, 1496, 1705, 1870, 1891, 1936, 2057, 2074, 2108, 2420, 2440, 2480, 2635, 2684, 2728, 2992, 3355, 3410, 3740, 3751, 3782, 4114, 4148, 4216, 4840, 4880, 5185, 5270, 5368, 5456, 5797, 6710, 6820, 7381, 7480, 7502, 7564, 8228, 8296, 8432, 9455, 9680, 10285, 10370, 10540, 10736, 11407, 11594, 13420, 13640, 14762, 14960, 15004, 15128, 16456, 16592, 18755, 18910, 20570, 20740, 20801, 21080, 22814, 23188, 26840, 27280, 28985, 29524, 30008, 30256, 32147, 32912, 36905, 37510, 37820, 41140, 41480, 41602, 42160, 45628, 46376, 53680, 57035, 57970, 59048, 60016, 63767, 64294, 73810, 75020, 75640, 82280, 82960, 83204, 91256, 92752, 104005, 114070, 115940, 118096, 125477, 127534, 128588, 147620, 150040, 151280, 160735, 164560, 166408, 182512, 208010, 228140, 228811, 231880, 250954, 255068, 257176, 295240, 300080, 318835, 321470, 332816, 353617, 416020, 456280, 457622, 463760, 501908, 510136, 514352, 590480, 627385, 637670, 642940, 707234, 832040, 912560, 915244, 1003816, 1020272, 1144055, 1254770, 1275340, 1285880, 1414468, 1664080, 1768085, 1830488, 2007632, 2288110, 2509540, 2550680, 2571760, 2828936, 3536170, 3660976, 3889787, 4576220, 5019080, 5101360, 5657872, 7072340, 7779574, 9152440, 10038160, 14144680, 15559148, 18304880, 19448935, 28289360, 31118296, 38897870, 62236592, 77795740, 155591480, 311182960]

約数ペア:

[(1, 311182960), (2, 155591480), (4, 77795740), (5, 62236592), (8, 38897870), (10, 31118296), (11, 28289360), (16, 19448935), (17, 18304880), (20, 15559148), (22, 14144680), (31, 10038160), (34, 9152440), (40, 7779574), (44, 7072340), (55, 5657872), (61, 5101360), (62, 5019080), (68, 4576220), (80, 3889787), (85, 3660976), (88, 3536170), (110, 2828936), (121, 2571760), (122, 2550680), (124, 2509540), (136, 2288110), (155, 2007632), (170, 1830488), (176, 1768085), (187, 1664080), (220, 1414468), (242, 1285880), (244, 1275340), (248, 1254770), (272, 1144055), (305, 1020272), (310, 1003816), (340, 915244), (341, 912560), (374, 832040), (440, 707234), (484, 642940), (488, 637670), (496, 627385), (527, 590480), (605, 514352), (610, 510136), (620, 501908), (671, 463760), (680, 457622), (682, 456280), (748, 416020), (880, 353617), (935, 332816), (968, 321470), (976, 318835), (1037, 300080), (1054, 295240), (1210, 257176), (1220, 255068), (1240, 250954), (1342, 231880), (1360, 228811), (1364, 228140), (1496, 208010), (1705, 182512), (1870, 166408), (1891, 164560), (1936, 160735), (2057, 151280), (2074, 150040), (2108, 147620), (2420, 128588), (2440, 127534), (2480, 125477), (2635, 118096), (2684, 115940), (2728, 114070), (2992, 104005), (3355, 92752), (3410, 91256), (3740, 83204), (3751, 82960), (3782, 82280), (4114, 75640), (4148, 75020), (4216, 73810), (4840, 64294), (4880, 63767), (5185, 60016), (5270, 59048), (5368, 57970), (5456, 57035), (5797, 53680), (6710, 46376), (6820, 45628), (7381, 42160), (7480, 41602), (7502, 41480), (7564, 41140), (8228, 37820), (8296, 37510), (8432, 36905), (9455, 32912), (9680, 32147), (10285, 30256), (10370, 30008), (10540, 29524), (10736, 28985), (11407, 27280), (11594, 26840), (13420, 23188), (13640, 22814), (14762, 21080), (14960, 20801), (15004, 20740), (15128, 20570), (16456, 18910), (16592, 18755)]