128915520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{134287}}^1$

素因数の和:134307

約数の個数: 56

約数和(自身を含む): 409309824

約数和(自身を除く): 280394304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 134287, 268574, 402861, 537148, 671435, 805722, 1074296, 1342870, 1611444, 2014305, 2148592, 2685740, 3222888, 4028610, 4297184, 5371480, 6445776, 8057220, 8594368, 10742960, 12891552, 16114440, 21485920, 25783104, 32228880, 42971840, 64457760, 128915520]

約数ペア:

[(1, 128915520), (2, 64457760), (3, 42971840), (4, 32228880), (5, 25783104), (6, 21485920), (8, 16114440), (10, 12891552), (12, 10742960), (15, 8594368), (16, 8057220), (20, 6445776), (24, 5371480), (30, 4297184), (32, 4028610), (40, 3222888), (48, 2685740), (60, 2148592), (64, 2014305), (80, 1611444), (96, 1342870), (120, 1074296), (160, 805722), (192, 671435), (240, 537148), (320, 402861), (480, 268574), (960, 134287)]