128385756

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^2\times {\mathrm{1237}}^1$

素因数の和:1312

約数の個数: 72

約数和(自身を含む): 344213520

約数和(自身を除く): 215827764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 961, 1116, 1237, 1674, 1922, 2474, 2883, 3348, 3711, 3844, 4948, 5766, 7422, 8649, 11133, 11532, 14844, 17298, 22266, 25947, 33399, 34596, 38347, 44532, 51894, 66798, 76694, 103788, 115041, 133596, 153388, 230082, 345123, 460164, 690246, 1035369, 1188757, 1380492, 2070738, 2377514, 3566271, 4141476, 4755028, 7132542, 10698813, 14265084, 21397626, 32096439, 42795252, 64192878, 128385756]

約数ペア:

[(1, 128385756), (2, 64192878), (3, 42795252), (4, 32096439), (6, 21397626), (9, 14265084), (12, 10698813), (18, 7132542), (27, 4755028), (31, 4141476), (36, 3566271), (54, 2377514), (62, 2070738), (93, 1380492), (108, 1188757), (124, 1035369), (186, 690246), (279, 460164), (372, 345123), (558, 230082), (837, 153388), (961, 133596), (1116, 115041), (1237, 103788), (1674, 76694), (1922, 66798), (2474, 51894), (2883, 44532), (3348, 38347), (3711, 34596), (3844, 33399), (4948, 25947), (5766, 22266), (7422, 17298), (8649, 14844), (11133, 11532)]