128748204

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 380120832

約数和(自身を除く): 251372628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 81, 92, 108, 117, 138, 156, 162, 207, 234, 243, 276, 299, 324, 351, 414, 443, 468, 486, 598, 621, 702, 828, 886, 897, 972, 1053, 1196, 1242, 1329, 1404, 1772, 1794, 1863, 2106, 2484, 2658, 2691, 3159, 3588, 3726, 3987, 4212, 5316, 5382, 5589, 5759, 6318, 7452, 7974, 8073, 10189, 10764, 11178, 11518, 11961, 12636, 15948, 16146, 17277, 20378, 22356, 23036, 23922, 24219, 30567, 32292, 34554, 35883, 40756, 47844, 48438, 51831, 61134, 69108, 71766, 72657, 91701, 96876, 103662, 107649, 122268, 132457, 143532, 145314, 155493, 183402, 207324, 215298, 264914, 275103, 290628, 310986, 366804, 397371, 430596, 466479, 529828, 550206, 621972, 794742, 825309, 932958, 1100412, 1192113, 1399437, 1589484, 1650618, 1865916, 2384226, 2475927, 2798874, 3301236, 3576339, 4768452, 4951854, 5597748, 7152678, 9903708, 10729017, 14305356, 21458034, 32187051, 42916068, 64374102, 128748204]

約数ペア:

[(1, 128748204), (2, 64374102), (3, 42916068), (4, 32187051), (6, 21458034), (9, 14305356), (12, 10729017), (13, 9903708), (18, 7152678), (23, 5597748), (26, 4951854), (27, 4768452), (36, 3576339), (39, 3301236), (46, 2798874), (52, 2475927), (54, 2384226), (69, 1865916), (78, 1650618), (81, 1589484), (92, 1399437), (108, 1192113), (117, 1100412), (138, 932958), (156, 825309), (162, 794742), (207, 621972), (234, 550206), (243, 529828), (276, 466479), (299, 430596), (324, 397371), (351, 366804), (414, 310986), (443, 290628), (468, 275103), (486, 264914), (598, 215298), (621, 207324), (702, 183402), (828, 155493), (886, 145314), (897, 143532), (972, 132457), (1053, 122268), (1196, 107649), (1242, 103662), (1329, 96876), (1404, 91701), (1772, 72657), (1794, 71766), (1863, 69108), (2106, 61134), (2484, 51831), (2658, 48438), (2691, 47844), (3159, 40756), (3588, 35883), (3726, 34554), (3987, 32292), (4212, 30567), (5316, 24219), (5382, 23922), (5589, 23036), (5759, 22356), (6318, 20378), (7452, 17277), (7974, 16146), (8073, 15948), (10189, 12636), (10764, 11961), (11178, 11518)]