128729412

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:503

約数の個数: 120

約数和(自身を含む): 387858240

約数和(自身を除く): 259128828

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 211, 252, 269, 324, 378, 422, 538, 567, 633, 756, 807, 844, 1076, 1134, 1266, 1477, 1614, 1883, 1899, 2268, 2421, 2532, 2954, 3228, 3766, 3798, 4431, 4842, 5649, 5697, 5908, 7263, 7532, 7596, 8862, 9684, 11298, 11394, 13293, 14526, 16947, 17091, 17724, 21789, 22596, 22788, 26586, 29052, 33894, 34182, 39879, 43578, 50841, 53172, 56759, 67788, 68364, 79758, 87156, 101682, 113518, 119637, 152523, 159516, 170277, 203364, 227036, 239274, 305046, 340554, 397313, 478548, 510831, 610092, 681108, 794626, 1021662, 1191939, 1532493, 1589252, 2043324, 2383878, 3064986, 3575817, 4597479, 4767756, 6129972, 7151634, 9194958, 10727451, 14303268, 18389916, 21454902, 32182353, 42909804, 64364706, 128729412]

約数ペア:

[(1, 128729412), (2, 64364706), (3, 42909804), (4, 32182353), (6, 21454902), (7, 18389916), (9, 14303268), (12, 10727451), (14, 9194958), (18, 7151634), (21, 6129972), (27, 4767756), (28, 4597479), (36, 3575817), (42, 3064986), (54, 2383878), (63, 2043324), (81, 1589252), (84, 1532493), (108, 1191939), (126, 1021662), (162, 794626), (189, 681108), (211, 610092), (252, 510831), (269, 478548), (324, 397313), (378, 340554), (422, 305046), (538, 239274), (567, 227036), (633, 203364), (756, 170277), (807, 159516), (844, 152523), (1076, 119637), (1134, 113518), (1266, 101682), (1477, 87156), (1614, 79758), (1883, 68364), (1899, 67788), (2268, 56759), (2421, 53172), (2532, 50841), (2954, 43578), (3228, 39879), (3766, 34182), (3798, 33894), (4431, 29052), (4842, 26586), (5649, 22788), (5697, 22596), (5908, 21789), (7263, 17724), (7532, 17091), (7596, 16947), (8862, 14526), (9684, 13293), (11298, 11394)]