83441920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 217808640

約数和(自身を除く): 134366720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 73, 76, 80, 94, 95, 128, 146, 152, 160, 188, 190, 235, 256, 292, 304, 320, 365, 376, 380, 470, 584, 608, 640, 730, 752, 760, 893, 940, 1168, 1216, 1280, 1387, 1460, 1504, 1520, 1786, 1880, 2336, 2432, 2774, 2920, 3008, 3040, 3431, 3572, 3760, 4465, 4672, 4864, 5548, 5840, 6016, 6080, 6862, 6935, 7144, 7520, 8930, 9344, 11096, 11680, 12032, 12160, 13724, 13870, 14288, 15040, 17155, 17860, 18688, 22192, 23360, 24320, 27448, 27740, 28576, 30080, 34310, 35720, 44384, 46720, 54896, 55480, 57152, 60160, 65189, 68620, 71440, 88768, 93440, 109792, 110960, 114304, 130378, 137240, 142880, 177536, 219584, 221920, 228608, 260756, 274480, 285760, 325945, 355072, 439168, 443840, 521512, 548960, 571520, 651890, 878336, 887680, 1043024, 1097920, 1143040, 1303780, 1775360, 2086048, 2195840, 2607560, 4172096, 4391680, 5215120, 8344192, 10430240, 16688384, 20860480, 41720960, 83441920]

約数ペア:

[(1, 83441920), (2, 41720960), (4, 20860480), (5, 16688384), (8, 10430240), (10, 8344192), (16, 5215120), (19, 4391680), (20, 4172096), (32, 2607560), (38, 2195840), (40, 2086048), (47, 1775360), (64, 1303780), (73, 1143040), (76, 1097920), (80, 1043024), (94, 887680), (95, 878336), (128, 651890), (146, 571520), (152, 548960), (160, 521512), (188, 443840), (190, 439168), (235, 355072), (256, 325945), (292, 285760), (304, 274480), (320, 260756), (365, 228608), (376, 221920), (380, 219584), (470, 177536), (584, 142880), (608, 137240), (640, 130378), (730, 114304), (752, 110960), (760, 109792), (893, 93440), (940, 88768), (1168, 71440), (1216, 68620), (1280, 65189), (1387, 60160), (1460, 57152), (1504, 55480), (1520, 54896), (1786, 46720), (1880, 44384), (2336, 35720), (2432, 34310), (2774, 30080), (2920, 28576), (3008, 27740), (3040, 27448), (3431, 24320), (3572, 23360), (3760, 22192), (4465, 18688), (4672, 17860), (4864, 17155), (5548, 15040), (5840, 14288), (6016, 13870), (6080, 13724), (6862, 12160), (6935, 12032), (7144, 11680), (7520, 11096), (8930, 9344)]