77952320

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:208

約数の個数: 112

約数和(自身を含む): 194876928

約数和(自身を除く): 116924608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 71, 73, 80, 94, 142, 146, 160, 188, 235, 284, 292, 320, 355, 365, 376, 470, 568, 584, 710, 730, 752, 940, 1136, 1168, 1420, 1460, 1504, 1880, 2272, 2336, 2840, 2920, 3008, 3337, 3431, 3760, 4544, 4672, 5183, 5680, 5840, 6674, 6862, 7520, 10366, 11360, 11680, 13348, 13724, 15040, 16685, 17155, 20732, 22720, 23360, 25915, 26696, 27448, 33370, 34310, 41464, 51830, 53392, 54896, 66740, 68620, 82928, 103660, 106784, 109792, 133480, 137240, 165856, 207320, 213568, 219584, 243601, 266960, 274480, 331712, 414640, 487202, 533920, 548960, 829280, 974404, 1067840, 1097920, 1218005, 1658560, 1948808, 2436010, 3897616, 4872020, 7795232, 9744040, 15590464, 19488080, 38976160, 77952320]

約数ペア:

[(1, 77952320), (2, 38976160), (4, 19488080), (5, 15590464), (8, 9744040), (10, 7795232), (16, 4872020), (20, 3897616), (32, 2436010), (40, 1948808), (47, 1658560), (64, 1218005), (71, 1097920), (73, 1067840), (80, 974404), (94, 829280), (142, 548960), (146, 533920), (160, 487202), (188, 414640), (235, 331712), (284, 274480), (292, 266960), (320, 243601), (355, 219584), (365, 213568), (376, 207320), (470, 165856), (568, 137240), (584, 133480), (710, 109792), (730, 106784), (752, 103660), (940, 82928), (1136, 68620), (1168, 66740), (1420, 54896), (1460, 53392), (1504, 51830), (1880, 41464), (2272, 34310), (2336, 33370), (2840, 27448), (2920, 26696), (3008, 25915), (3337, 23360), (3431, 22720), (3760, 20732), (4544, 17155), (4672, 16685), (5183, 15040), (5680, 13724), (5840, 13348), (6674, 11680), (6862, 11360), (7520, 10366)]