31607520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 192

約数和(自身を含む): 119024640

約数和(自身を除く): 87417120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 409, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 818, 840, 920, 966, 1104, 1120, 1227, 1288, 1380, 1610, 1636, 1680, 1840, 1932, 2045, 2208, 2415, 2454, 2576, 2760, 2863, 3220, 3272, 3360, 3680, 3864, 4090, 4830, 4908, 5152, 5520, 5726, 6135, 6440, 6544, 7728, 8180, 8589, 9407, 9660, 9816, 11040, 11452, 12270, 12880, 13088, 14315, 15456, 16360, 17178, 18814, 19320, 19632, 22904, 24540, 25760, 28221, 28630, 32720, 34356, 37628, 38640, 39264, 42945, 45808, 47035, 49080, 56442, 57260, 65440, 65849, 68712, 75256, 77280, 85890, 91616, 94070, 98160, 112884, 114520, 131698, 137424, 141105, 150512, 171780, 188140, 196320, 197547, 225768, 229040, 263396, 274848, 282210, 301024, 329245, 343560, 376280, 395094, 451536, 458080, 526792, 564420, 658490, 687120, 752560, 790188, 903072, 987735, 1053584, 1128840, 1316980, 1374240, 1505120, 1580376, 1975470, 2107168, 2257680, 2633960, 3160752, 3950940, 4515360, 5267920, 6321504, 7901880, 10535840, 15803760, 31607520]

約数ペア:

[(1, 31607520), (2, 15803760), (3, 10535840), (4, 7901880), (5, 6321504), (6, 5267920), (7, 4515360), (8, 3950940), (10, 3160752), (12, 2633960), (14, 2257680), (15, 2107168), (16, 1975470), (20, 1580376), (21, 1505120), (23, 1374240), (24, 1316980), (28, 1128840), (30, 1053584), (32, 987735), (35, 903072), (40, 790188), (42, 752560), (46, 687120), (48, 658490), (56, 564420), (60, 526792), (69, 458080), (70, 451536), (80, 395094), (84, 376280), (92, 343560), (96, 329245), (105, 301024), (112, 282210), (115, 274848), (120, 263396), (138, 229040), (140, 225768), (160, 197547), (161, 196320), (168, 188140), (184, 171780), (210, 150512), (224, 141105), (230, 137424), (240, 131698), (276, 114520), (280, 112884), (322, 98160), (336, 94070), (345, 91616), (368, 85890), (409, 77280), (420, 75256), (460, 68712), (480, 65849), (483, 65440), (552, 57260), (560, 56442), (644, 49080), (672, 47035), (690, 45808), (736, 42945), (805, 39264), (818, 38640), (840, 37628), (920, 34356), (966, 32720), (1104, 28630), (1120, 28221), (1227, 25760), (1288, 24540), (1380, 22904), (1610, 19632), (1636, 19320), (1680, 18814), (1840, 17178), (1932, 16360), (2045, 15456), (2208, 14315), (2415, 13088), (2454, 12880), (2576, 12270), (2760, 11452), (2863, 11040), (3220, 9816), (3272, 9660), (3360, 9407), (3680, 8589), (3864, 8180), (4090, 7728), (4830, 6544), (4908, 6440), (5152, 6135), (5520, 5726)]