128538306

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 338688000

約数和(自身を除く): 210149694

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 23, 26, 27, 38, 39, 46, 54, 57, 69, 78, 114, 117, 138, 171, 207, 234, 247, 299, 342, 351, 414, 419, 437, 494, 513, 598, 621, 702, 741, 838, 874, 897, 1026, 1242, 1257, 1311, 1482, 1794, 2223, 2514, 2622, 2691, 3771, 3933, 4446, 5382, 5447, 5681, 6669, 7542, 7866, 7961, 8073, 9637, 10894, 11313, 11362, 11799, 13338, 15922, 16146, 16341, 17043, 19274, 22626, 23598, 23883, 28911, 32682, 34086, 47766, 49023, 51129, 57822, 71649, 86733, 98046, 102258, 103493, 125281, 143298, 147069, 153387, 173466, 183103, 206986, 214947, 250562, 260199, 294138, 306774, 310479, 366206, 375843, 429894, 520398, 549309, 620958, 751686, 931437, 1098618, 1127529, 1647927, 1862874, 2255058, 2380339, 2794311, 3295854, 3382587, 4760678, 4943781, 5588622, 6765174, 7141017, 9887562, 14282034, 21423051, 42846102, 64269153, 128538306]

約数ペア:

[(1, 128538306), (2, 64269153), (3, 42846102), (6, 21423051), (9, 14282034), (13, 9887562), (18, 7141017), (19, 6765174), (23, 5588622), (26, 4943781), (27, 4760678), (38, 3382587), (39, 3295854), (46, 2794311), (54, 2380339), (57, 2255058), (69, 1862874), (78, 1647927), (114, 1127529), (117, 1098618), (138, 931437), (171, 751686), (207, 620958), (234, 549309), (247, 520398), (299, 429894), (342, 375843), (351, 366206), (414, 310479), (419, 306774), (437, 294138), (494, 260199), (513, 250562), (598, 214947), (621, 206986), (702, 183103), (741, 173466), (838, 153387), (874, 147069), (897, 143298), (1026, 125281), (1242, 103493), (1257, 102258), (1311, 98046), (1482, 86733), (1794, 71649), (2223, 57822), (2514, 51129), (2622, 49023), (2691, 47766), (3771, 34086), (3933, 32682), (4446, 28911), (5382, 23883), (5447, 23598), (5681, 22626), (6669, 19274), (7542, 17043), (7866, 16341), (7961, 16146), (8073, 15922), (9637, 13338), (10894, 11799), (11313, 11362)]