20199390720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2630129}}^1$

素因数の和:2630155

約数の個数: 80

約数和(自身を含む): 64574951760

約数和(自身を除く): 44375561040

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 2630129, 5260258, 7890387, 10520516, 13150645, 15780774, 21041032, 26301290, 31561548, 39451935, 42082064, 52602580, 63123096, 78903870, 84164128, 105205160, 126246192, 157807740, 168328256, 210410320, 252492384, 315615480, 336656512, 420820640, 504984768, 631230960, 673313024, 841641280, 1009969536, 1262461920, 1346626048, 1683282560, 2019939072, 2524923840, 3366565120, 4039878144, 5049847680, 6733130240, 10099695360, 20199390720]

約数ペア:

[(1, 20199390720), (2, 10099695360), (3, 6733130240), (4, 5049847680), (5, 4039878144), (6, 3366565120), (8, 2524923840), (10, 2019939072), (12, 1683282560), (15, 1346626048), (16, 1262461920), (20, 1009969536), (24, 841641280), (30, 673313024), (32, 631230960), (40, 504984768), (48, 420820640), (60, 336656512), (64, 315615480), (80, 252492384), (96, 210410320), (120, 168328256), (128, 157807740), (160, 126246192), (192, 105205160), (240, 84164128), (256, 78903870), (320, 63123096), (384, 52602580), (480, 42082064), (512, 39451935), (640, 31561548), (768, 26301290), (960, 21041032), (1280, 15780774), (1536, 13150645), (1920, 10520516), (2560, 7890387), (3840, 5260258), (7680, 2630129)]