81677352

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 227635200

約数和(自身を除く): 145957848

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 47, 57, 74, 76, 94, 103, 111, 114, 141, 148, 152, 188, 206, 222, 228, 282, 296, 309, 376, 412, 444, 456, 564, 618, 703, 824, 888, 893, 1128, 1236, 1406, 1739, 1786, 1957, 2109, 2472, 2679, 2812, 3478, 3572, 3811, 3914, 4218, 4841, 5217, 5358, 5624, 5871, 6956, 7144, 7622, 7828, 8436, 9682, 10434, 10716, 11433, 11742, 13912, 14523, 15244, 15656, 16872, 19364, 20868, 21432, 22866, 23484, 29046, 30488, 33041, 38728, 41736, 45732, 46968, 58092, 66082, 72409, 91464, 91979, 99123, 116184, 132164, 144818, 179117, 183958, 198246, 217227, 264328, 275937, 289636, 358234, 367916, 396492, 434454, 537351, 551874, 579272, 716468, 735832, 792984, 868908, 1074702, 1103748, 1432936, 1737816, 2149404, 2207496, 3403223, 4298808, 6806446, 10209669, 13612892, 20419338, 27225784, 40838676, 81677352]

約数ペア:

[(1, 81677352), (2, 40838676), (3, 27225784), (4, 20419338), (6, 13612892), (8, 10209669), (12, 6806446), (19, 4298808), (24, 3403223), (37, 2207496), (38, 2149404), (47, 1737816), (57, 1432936), (74, 1103748), (76, 1074702), (94, 868908), (103, 792984), (111, 735832), (114, 716468), (141, 579272), (148, 551874), (152, 537351), (188, 434454), (206, 396492), (222, 367916), (228, 358234), (282, 289636), (296, 275937), (309, 264328), (376, 217227), (412, 198246), (444, 183958), (456, 179117), (564, 144818), (618, 132164), (703, 116184), (824, 99123), (888, 91979), (893, 91464), (1128, 72409), (1236, 66082), (1406, 58092), (1739, 46968), (1786, 45732), (1957, 41736), (2109, 38728), (2472, 33041), (2679, 30488), (2812, 29046), (3478, 23484), (3572, 22866), (3811, 21432), (3914, 20868), (4218, 19364), (4841, 16872), (5217, 15656), (5358, 15244), (5624, 14523), (5871, 13912), (6956, 11742), (7144, 11433), (7622, 10716), (7828, 10434), (8436, 9682)]