77795740

素因数分解:

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

素因数の和:140

約数の個数: 144

約数和(自身を含む): 199487232

約数和(自身を除く): 121691492

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 61, 62, 68, 85, 110, 121, 122, 124, 155, 170, 187, 220, 242, 244, 305, 310, 340, 341, 374, 484, 527, 605, 610, 620, 671, 682, 748, 935, 1037, 1054, 1210, 1220, 1342, 1364, 1705, 1870, 1891, 2057, 2074, 2108, 2420, 2635, 2684, 3355, 3410, 3740, 3751, 3782, 4114, 4148, 5185, 5270, 5797, 6710, 6820, 7381, 7502, 7564, 8228, 9455, 10285, 10370, 10540, 11407, 11594, 13420, 14762, 15004, 18755, 18910, 20570, 20740, 20801, 22814, 23188, 28985, 29524, 32147, 36905, 37510, 37820, 41140, 41602, 45628, 57035, 57970, 63767, 64294, 73810, 75020, 83204, 104005, 114070, 115940, 125477, 127534, 128588, 147620, 160735, 208010, 228140, 228811, 250954, 255068, 318835, 321470, 353617, 416020, 457622, 501908, 627385, 637670, 642940, 707234, 915244, 1144055, 1254770, 1275340, 1414468, 1768085, 2288110, 2509540, 3536170, 3889787, 4576220, 7072340, 7779574, 15559148, 19448935, 38897870, 77795740]

約数ペア:

[(1, 77795740), (2, 38897870), (4, 19448935), (5, 15559148), (10, 7779574), (11, 7072340), (17, 4576220), (20, 3889787), (22, 3536170), (31, 2509540), (34, 2288110), (44, 1768085), (55, 1414468), (61, 1275340), (62, 1254770), (68, 1144055), (85, 915244), (110, 707234), (121, 642940), (122, 637670), (124, 627385), (155, 501908), (170, 457622), (187, 416020), (220, 353617), (242, 321470), (244, 318835), (305, 255068), (310, 250954), (340, 228811), (341, 228140), (374, 208010), (484, 160735), (527, 147620), (605, 128588), (610, 127534), (620, 125477), (671, 115940), (682, 114070), (748, 104005), (935, 83204), (1037, 75020), (1054, 73810), (1210, 64294), (1220, 63767), (1342, 57970), (1364, 57035), (1705, 45628), (1870, 41602), (1891, 41140), (2057, 37820), (2074, 37510), (2108, 36905), (2420, 32147), (2635, 29524), (2684, 28985), (3355, 23188), (3410, 22814), (3740, 20801), (3751, 20740), (3782, 20570), (4114, 18910), (4148, 18755), (5185, 15004), (5270, 14762), (5797, 13420), (6710, 11594), (6820, 11407), (7381, 10540), (7502, 10370), (7564, 10285), (8228, 9455)]