201840640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 505945440

約数和(自身を除く): 304104800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 857, 920, 1024, 1280, 1472, 1714, 1840, 2048, 2560, 2944, 3428, 3680, 4285, 5120, 5888, 6856, 7360, 8570, 10240, 11776, 13712, 14720, 17140, 19711, 23552, 27424, 29440, 34280, 39422, 47104, 54848, 58880, 68560, 78844, 98555, 109696, 117760, 137120, 157688, 197110, 219392, 235520, 274240, 315376, 394220, 438784, 548480, 630752, 788440, 877568, 1096960, 1261504, 1576880, 1755136, 2193920, 2523008, 3153760, 4387840, 5046016, 6307520, 8775680, 10092032, 12615040, 20184064, 25230080, 40368128, 50460160, 100920320, 201840640]

約数ペア:

[(1, 201840640), (2, 100920320), (4, 50460160), (5, 40368128), (8, 25230080), (10, 20184064), (16, 12615040), (20, 10092032), (23, 8775680), (32, 6307520), (40, 5046016), (46, 4387840), (64, 3153760), (80, 2523008), (92, 2193920), (115, 1755136), (128, 1576880), (160, 1261504), (184, 1096960), (230, 877568), (256, 788440), (320, 630752), (368, 548480), (460, 438784), (512, 394220), (640, 315376), (736, 274240), (857, 235520), (920, 219392), (1024, 197110), (1280, 157688), (1472, 137120), (1714, 117760), (1840, 109696), (2048, 98555), (2560, 78844), (2944, 68560), (3428, 58880), (3680, 54848), (4285, 47104), (5120, 39422), (5888, 34280), (6856, 29440), (7360, 27424), (8570, 23552), (10240, 19711), (11776, 17140), (13712, 14720)]