15691171280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{240073}}^1$

素因数の和:240148

約数の個数: 80

約数和(自身を含む): 39295312320

約数和(自身を除く): 23604141040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 3268, 3440, 4085, 6536, 8170, 13072, 16340, 32680, 65360, 240073, 480146, 960292, 1200365, 1920584, 2400730, 3841168, 4561387, 4801460, 9122774, 9602920, 10323139, 18245548, 19205840, 20646278, 22806935, 36491096, 41292556, 45613870, 51615695, 72982192, 82585112, 91227740, 103231390, 165170224, 182455480, 196139641, 206462780, 364910960, 392279282, 412925560, 784558564, 825851120, 980698205, 1569117128, 1961396410, 3138234256, 3922792820, 7845585640, 15691171280]

約数ペア:

[(1, 15691171280), (2, 7845585640), (4, 3922792820), (5, 3138234256), (8, 1961396410), (10, 1569117128), (16, 980698205), (19, 825851120), (20, 784558564), (38, 412925560), (40, 392279282), (43, 364910960), (76, 206462780), (80, 196139641), (86, 182455480), (95, 165170224), (152, 103231390), (172, 91227740), (190, 82585112), (215, 72982192), (304, 51615695), (344, 45613870), (380, 41292556), (430, 36491096), (688, 22806935), (760, 20646278), (817, 19205840), (860, 18245548), (1520, 10323139), (1634, 9602920), (1720, 9122774), (3268, 4801460), (3440, 4561387), (4085, 3841168), (6536, 2400730), (8170, 1920584), (13072, 1200365), (16340, 960292), (32680, 480146), (65360, 240073)]