2489790720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{648383}}^1$

素因数の和:648407

約数の個数: 72

約数和(自身を含む): 7951781376

約数和(自身を除く): 5461990656

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, 648383, 1296766, 1945149, 2593532, 3241915, 3890298, 5187064, 6483830, 7780596, 9725745, 10374128, 12967660, 15561192, 19451490, 20748256, 25935320, 31122384, 38902980, 41496512, 51870640, 62244768, 77805960, 82993024, 103741280, 124489536, 155611920, 165986048, 207482560, 248979072, 311223840, 414965120, 497958144, 622447680, 829930240, 1244895360, 2489790720]

約数ペア:

[(1, 2489790720), (2, 1244895360), (3, 829930240), (4, 622447680), (5, 497958144), (6, 414965120), (8, 311223840), (10, 248979072), (12, 207482560), (15, 165986048), (16, 155611920), (20, 124489536), (24, 103741280), (30, 82993024), (32, 77805960), (40, 62244768), (48, 51870640), (60, 41496512), (64, 38902980), (80, 31122384), (96, 25935320), (120, 20748256), (128, 19451490), (160, 15561192), (192, 12967660), (240, 10374128), (256, 9725745), (320, 7780596), (384, 6483830), (480, 5187064), (640, 3890298), (768, 3241915), (960, 2593532), (1280, 1945149), (1920, 1296766), (3840, 648383)]