128170880

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4261}}^1$

素因数の和:4327

約数の個数: 64

約数和(自身を含む): 313001280

約数和(自身を除く): 184830400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 3008, 3760, 4261, 6016, 7520, 8522, 15040, 17044, 21305, 30080, 34088, 42610, 68176, 85220, 136352, 170440, 200267, 272704, 340880, 400534, 545408, 681760, 801068, 1001335, 1363520, 1602136, 2002670, 2727040, 3204272, 4005340, 6408544, 8010680, 12817088, 16021360, 25634176, 32042720, 64085440, 128170880]

約数ペア:

[(1, 128170880), (2, 64085440), (4, 32042720), (5, 25634176), (8, 16021360), (10, 12817088), (16, 8010680), (20, 6408544), (32, 4005340), (40, 3204272), (47, 2727040), (64, 2002670), (80, 1602136), (94, 1363520), (128, 1001335), (160, 801068), (188, 681760), (235, 545408), (320, 400534), (376, 340880), (470, 272704), (640, 200267), (752, 170440), (940, 136352), (1504, 85220), (1880, 68176), (3008, 42610), (3760, 34088), (4261, 30080), (6016, 21305), (7520, 17044), (8522, 15040)]