128673684

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:627

約数の個数: 120

約数和(自身を含む): 362976768

約数和(自身を除く): 234303084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 31, 36, 46, 54, 62, 69, 81, 92, 93, 108, 124, 138, 162, 186, 207, 276, 279, 324, 372, 414, 557, 558, 621, 713, 828, 837, 1114, 1116, 1242, 1426, 1671, 1674, 1863, 2139, 2228, 2484, 2511, 2852, 3342, 3348, 3726, 4278, 5013, 5022, 6417, 6684, 7452, 8556, 10026, 10044, 12811, 12834, 15039, 17267, 19251, 20052, 25622, 25668, 30078, 34534, 38433, 38502, 45117, 51244, 51801, 57753, 60156, 69068, 76866, 77004, 90234, 103602, 115299, 115506, 153732, 155403, 180468, 207204, 230598, 231012, 310806, 345897, 397141, 461196, 466209, 621612, 691794, 794282, 932418, 1037691, 1191423, 1383588, 1398627, 1588564, 1864836, 2075382, 2382846, 2797254, 3574269, 4150764, 4765692, 5594508, 7148538, 10722807, 14297076, 21445614, 32168421, 42891228, 64336842, 128673684]

約数ペア:

[(1, 128673684), (2, 64336842), (3, 42891228), (4, 32168421), (6, 21445614), (9, 14297076), (12, 10722807), (18, 7148538), (23, 5594508), (27, 4765692), (31, 4150764), (36, 3574269), (46, 2797254), (54, 2382846), (62, 2075382), (69, 1864836), (81, 1588564), (92, 1398627), (93, 1383588), (108, 1191423), (124, 1037691), (138, 932418), (162, 794282), (186, 691794), (207, 621612), (276, 466209), (279, 461196), (324, 397141), (372, 345897), (414, 310806), (557, 231012), (558, 230598), (621, 207204), (713, 180468), (828, 155403), (837, 153732), (1114, 115506), (1116, 115299), (1242, 103602), (1426, 90234), (1671, 77004), (1674, 76866), (1863, 69068), (2139, 60156), (2228, 57753), (2484, 51801), (2511, 51244), (2852, 45117), (3342, 38502), (3348, 38433), (3726, 34534), (4278, 30078), (5013, 25668), (5022, 25622), (6417, 20052), (6684, 19251), (7452, 17267), (8556, 15039), (10026, 12834), (10044, 12811)]