15697560980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{142939}}^1$

素因数の和:143001

約数の個数: 72

約数和(自身を含む): 36861367200

約数和(自身を除く): 21163806220

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1445, 1615, 2890, 3230, 5491, 5780, 6460, 10982, 21964, 27455, 54910, 109820, 142939, 285878, 571756, 714695, 1429390, 2429963, 2715841, 2858780, 4859926, 5431682, 9719852, 10863364, 12149815, 13579205, 24299630, 27158410, 41309371, 46169297, 48599260, 54316820, 82618742, 92338594, 165237484, 184677188, 206546855, 230846485, 413093710, 461692970, 784878049, 826187420, 923385940, 1569756098, 3139512196, 3924390245, 7848780490, 15697560980]

約数ペア:

[(1, 15697560980), (2, 7848780490), (4, 3924390245), (5, 3139512196), (10, 1569756098), (17, 923385940), (19, 826187420), (20, 784878049), (34, 461692970), (38, 413093710), (68, 230846485), (76, 206546855), (85, 184677188), (95, 165237484), (170, 92338594), (190, 82618742), (289, 54316820), (323, 48599260), (340, 46169297), (380, 41309371), (578, 27158410), (646, 24299630), (1156, 13579205), (1292, 12149815), (1445, 10863364), (1615, 9719852), (2890, 5431682), (3230, 4859926), (5491, 2858780), (5780, 2715841), (6460, 2429963), (10982, 1429390), (21964, 714695), (27455, 571756), (54910, 285878), (109820, 142939)]