647535360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{168629}}^1$

素因数の和:168653

約数の個数: 72

約数和(自身を含む): 2068078320

約数和(自身を除く): 1420542960

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, 168629, 337258, 505887, 674516, 843145, 1011774, 1349032, 1686290, 2023548, 2529435, 2698064, 3372580, 4047096, 5058870, 5396128, 6745160, 8094192, 10117740, 10792256, 13490320, 16188384, 20235480, 21584512, 26980640, 32376768, 40470960, 43169024, 53961280, 64753536, 80941920, 107922560, 129507072, 161883840, 215845120, 323767680, 647535360]

約数ペア:

[(1, 647535360), (2, 323767680), (3, 215845120), (4, 161883840), (5, 129507072), (6, 107922560), (8, 80941920), (10, 64753536), (12, 53961280), (15, 43169024), (16, 40470960), (20, 32376768), (24, 26980640), (30, 21584512), (32, 20235480), (40, 16188384), (48, 13490320), (60, 10792256), (64, 10117740), (80, 8094192), (96, 6745160), (120, 5396128), (128, 5058870), (160, 4047096), (192, 3372580), (240, 2698064), (256, 2529435), (320, 2023548), (384, 1686290), (480, 1349032), (640, 1011774), (768, 843145), (960, 674516), (1280, 505887), (1920, 337258), (3840, 168629)]