128981760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{33589}}^1$

素因数の和:33613

約数の個数: 72

約数和(自身を含む): 411947760

約数和(自身を除く): 282966000

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, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 33589, 67178, 100767, 134356, 167945, 201534, 268712, 335890, 403068, 503835, 537424, 671780, 806136, 1007670, 1074848, 1343560, 1612272, 2015340, 2149696, 2687120, 3224544, 4030680, 4299392, 5374240, 6449088, 8061360, 8598784, 10748480, 12898176, 16122720, 21496960, 25796352, 32245440, 42993920, 64490880, 128981760]

約数ペア:

[(1, 128981760), (2, 64490880), (3, 42993920), (4, 32245440), (5, 25796352), (6, 21496960), (8, 16122720), (10, 12898176), (12, 10748480), (15, 8598784), (16, 8061360), (20, 6449088), (24, 5374240), (30, 4299392), (32, 4030680), (40, 3224544), (48, 2687120), (60, 2149696), (64, 2015340), (80, 1612272), (96, 1343560), (120, 1074848), (128, 1007670), (160, 806136), (192, 671780), (240, 537424), (256, 503835), (320, 403068), (384, 335890), (480, 268712), (640, 201534), (768, 167945), (960, 134356), (1280, 100767), (1920, 67178), (3840, 33589)]