128247678

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 329011200

約数和(自身を除く): 200763522

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 47, 54, 69, 78, 94, 117, 138, 141, 169, 207, 234, 282, 299, 338, 351, 414, 423, 507, 598, 611, 621, 702, 846, 897, 1014, 1081, 1222, 1242, 1269, 1521, 1794, 1833, 2162, 2197, 2538, 2691, 3042, 3243, 3666, 3887, 4394, 4563, 5382, 5499, 6486, 6591, 7774, 7943, 8073, 9126, 9729, 10998, 11661, 13182, 14053, 15886, 16146, 16497, 19458, 19773, 23322, 23829, 28106, 29187, 32994, 34983, 39546, 42159, 47658, 50531, 58374, 59319, 69966, 71487, 84318, 101062, 103259, 104949, 118638, 126477, 142974, 151593, 182689, 206518, 209898, 214461, 252954, 303186, 309777, 365378, 379431, 428922, 454779, 548067, 619554, 758862, 909558, 929331, 1096134, 1364337, 1644201, 1858662, 2374957, 2728674, 2787993, 3288402, 4749914, 4932603, 5575986, 7124871, 9865206, 14249742, 21374613, 42749226, 64123839, 128247678]

約数ペア:

[(1, 128247678), (2, 64123839), (3, 42749226), (6, 21374613), (9, 14249742), (13, 9865206), (18, 7124871), (23, 5575986), (26, 4932603), (27, 4749914), (39, 3288402), (46, 2787993), (47, 2728674), (54, 2374957), (69, 1858662), (78, 1644201), (94, 1364337), (117, 1096134), (138, 929331), (141, 909558), (169, 758862), (207, 619554), (234, 548067), (282, 454779), (299, 428922), (338, 379431), (351, 365378), (414, 309777), (423, 303186), (507, 252954), (598, 214461), (611, 209898), (621, 206518), (702, 182689), (846, 151593), (897, 142974), (1014, 126477), (1081, 118638), (1222, 104949), (1242, 103259), (1269, 101062), (1521, 84318), (1794, 71487), (1833, 69966), (2162, 59319), (2197, 58374), (2538, 50531), (2691, 47658), (3042, 42159), (3243, 39546), (3666, 34983), (3887, 32994), (4394, 29187), (4563, 28106), (5382, 23829), (5499, 23322), (6486, 19773), (6591, 19458), (7774, 16497), (7943, 16146), (8073, 15886), (9126, 14053), (9729, 13182), (10998, 11661)]