128690784

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{8431}}^1$

素因数の和:8500

約数の個数: 72

約数和(自身を含む): 372913632

約数和(自身を除く): 244222848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1696, 1908, 2544, 3816, 5088, 7632, 8431, 15264, 16862, 25293, 33724, 50586, 67448, 75879, 101172, 134896, 151758, 202344, 269792, 303516, 404688, 446843, 607032, 809376, 893686, 1214064, 1340529, 1787372, 2428128, 2681058, 3574744, 4021587, 5362116, 7149488, 8043174, 10724232, 14298976, 16086348, 21448464, 32172696, 42896928, 64345392, 128690784]

約数ペア:

[(1, 128690784), (2, 64345392), (3, 42896928), (4, 32172696), (6, 21448464), (8, 16086348), (9, 14298976), (12, 10724232), (16, 8043174), (18, 7149488), (24, 5362116), (32, 4021587), (36, 3574744), (48, 2681058), (53, 2428128), (72, 1787372), (96, 1340529), (106, 1214064), (144, 893686), (159, 809376), (212, 607032), (288, 446843), (318, 404688), (424, 303516), (477, 269792), (636, 202344), (848, 151758), (954, 134896), (1272, 101172), (1696, 75879), (1908, 67448), (2544, 50586), (3816, 33724), (5088, 25293), (7632, 16862), (8431, 15264)]