18568071680

素因数分解:

$2^9\times 5^1\times {\mathrm{661}}^1\times {\mathrm{10973}}^1$

素因数の和:11657

約数の個数: 80

約数和(自身を含む): 44591268744

約数和(自身を除く): 26023197064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 661, 1280, 1322, 2560, 2644, 3305, 5288, 6610, 10576, 10973, 13220, 21152, 21946, 26440, 42304, 43892, 52880, 54865, 84608, 87784, 105760, 109730, 169216, 175568, 211520, 219460, 338432, 351136, 423040, 438920, 702272, 846080, 877840, 1404544, 1692160, 1755680, 2809088, 3511360, 5618176, 7022720, 7253153, 14045440, 14506306, 28090880, 29012612, 36265765, 58025224, 72531530, 116050448, 145063060, 232100896, 290126120, 464201792, 580252240, 928403584, 1160504480, 1856807168, 2321008960, 3713614336, 4642017920, 9284035840, 18568071680]

約数ペア:

[(1, 18568071680), (2, 9284035840), (4, 4642017920), (5, 3713614336), (8, 2321008960), (10, 1856807168), (16, 1160504480), (20, 928403584), (32, 580252240), (40, 464201792), (64, 290126120), (80, 232100896), (128, 145063060), (160, 116050448), (256, 72531530), (320, 58025224), (512, 36265765), (640, 29012612), (661, 28090880), (1280, 14506306), (1322, 14045440), (2560, 7253153), (2644, 7022720), (3305, 5618176), (5288, 3511360), (6610, 2809088), (10576, 1755680), (10973, 1692160), (13220, 1404544), (21152, 877840), (21946, 846080), (26440, 702272), (42304, 438920), (43892, 423040), (52880, 351136), (54865, 338432), (84608, 219460), (87784, 211520), (105760, 175568), (109730, 169216)]