191486720

素因数分解:

$2^8\times 5^1\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 461494320

約数和(自身を除く): 270007600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 256, 320, 422, 640, 709, 844, 1055, 1280, 1418, 1688, 2110, 2836, 3376, 3545, 4220, 5672, 6752, 7090, 8440, 11344, 13504, 14180, 16880, 22688, 27008, 28360, 33760, 45376, 54016, 56720, 67520, 90752, 113440, 135040, 149599, 181504, 226880, 270080, 299198, 453760, 598396, 747995, 907520, 1196792, 1495990, 2393584, 2991980, 4787168, 5983960, 9574336, 11967920, 19148672, 23935840, 38297344, 47871680, 95743360, 191486720]

約数ペア:

[(1, 191486720), (2, 95743360), (4, 47871680), (5, 38297344), (8, 23935840), (10, 19148672), (16, 11967920), (20, 9574336), (32, 5983960), (40, 4787168), (64, 2991980), (80, 2393584), (128, 1495990), (160, 1196792), (211, 907520), (256, 747995), (320, 598396), (422, 453760), (640, 299198), (709, 270080), (844, 226880), (1055, 181504), (1280, 149599), (1418, 135040), (1688, 113440), (2110, 90752), (2836, 67520), (3376, 56720), (3545, 54016), (4220, 45376), (5672, 33760), (6752, 28360), (7090, 27008), (8440, 22688), (11344, 16880), (13504, 14180)]