128907520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{14387}}^1$

素因数の和:14415

約数の個数: 72

約数和(自身を含む): 352908864

約数和(自身を除く): 224001344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 14387, 28774, 57548, 71935, 100709, 115096, 143870, 201418, 230192, 287740, 402836, 460384, 503545, 575480, 805672, 920768, 1007090, 1150960, 1611344, 1841536, 2014180, 2301920, 3222688, 3683072, 4028360, 4603840, 6445376, 8056720, 9207680, 12890752, 16113440, 18415360, 25781504, 32226880, 64453760, 128907520]

約数ペア:

[(1, 128907520), (2, 64453760), (4, 32226880), (5, 25781504), (7, 18415360), (8, 16113440), (10, 12890752), (14, 9207680), (16, 8056720), (20, 6445376), (28, 4603840), (32, 4028360), (35, 3683072), (40, 3222688), (56, 2301920), (64, 2014180), (70, 1841536), (80, 1611344), (112, 1150960), (128, 1007090), (140, 920768), (160, 805672), (224, 575480), (256, 503545), (280, 460384), (320, 402836), (448, 287740), (560, 230192), (640, 201418), (896, 143870), (1120, 115096), (1280, 100709), (1792, 71935), (2240, 57548), (4480, 28774), (8960, 14387)]