15728076440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^2\times {\mathrm{199}}^1$

素因数の和:597

約数の個数: 96

約数和(自身を含む): 36208620000

約数和(自身を除く): 20480543560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 149, 178, 199, 298, 356, 398, 445, 596, 712, 745, 796, 890, 995, 1192, 1490, 1592, 1780, 1990, 2980, 3560, 3980, 5960, 7960, 13261, 17711, 22201, 26522, 29651, 35422, 44402, 53044, 59302, 66305, 70844, 88555, 88804, 106088, 111005, 118604, 132610, 141688, 148255, 177110, 177608, 222010, 237208, 265220, 296510, 354220, 444020, 530440, 593020, 708440, 888040, 1186040, 1975889, 2638939, 3951778, 4417999, 5277878, 7903556, 8835998, 9879445, 10555756, 13194695, 15807112, 17671996, 19758890, 21111512, 22089995, 26389390, 35343992, 39517780, 44179990, 52778780, 79035560, 88359980, 105557560, 176719960, 393201911, 786403822, 1572807644, 1966009555, 3145615288, 3932019110, 7864038220, 15728076440]

約数ペア:

[(1, 15728076440), (2, 7864038220), (4, 3932019110), (5, 3145615288), (8, 1966009555), (10, 1572807644), (20, 786403822), (40, 393201911), (89, 176719960), (149, 105557560), (178, 88359980), (199, 79035560), (298, 52778780), (356, 44179990), (398, 39517780), (445, 35343992), (596, 26389390), (712, 22089995), (745, 21111512), (796, 19758890), (890, 17671996), (995, 15807112), (1192, 13194695), (1490, 10555756), (1592, 9879445), (1780, 8835998), (1990, 7903556), (2980, 5277878), (3560, 4417999), (3980, 3951778), (5960, 2638939), (7960, 1975889), (13261, 1186040), (17711, 888040), (22201, 708440), (26522, 593020), (29651, 530440), (35422, 444020), (44402, 354220), (53044, 296510), (59302, 265220), (66305, 237208), (70844, 222010), (88555, 177608), (88804, 177110), (106088, 148255), (111005, 141688), (118604, 132610)]