73750880

素因数分解:

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

素因数の和:461

約数の個数: 144

約数和(自身を含む): 212012640

約数和(自身を除く): 138261760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 409, 460, 490, 560, 644, 736, 784, 805, 818, 920, 980, 1120, 1127, 1288, 1568, 1610, 1636, 1840, 1960, 2045, 2254, 2576, 2863, 3220, 3272, 3680, 3920, 4090, 4508, 5152, 5635, 5726, 6440, 6544, 7840, 8180, 9016, 9407, 11270, 11452, 12880, 13088, 14315, 16360, 18032, 18814, 20041, 22540, 22904, 25760, 28630, 32720, 36064, 37628, 40082, 45080, 45808, 47035, 57260, 65440, 65849, 75256, 80164, 90160, 91616, 94070, 100205, 114520, 131698, 150512, 160328, 180320, 188140, 200410, 229040, 263396, 301024, 320656, 329245, 376280, 400820, 458080, 460943, 526792, 641312, 658490, 752560, 801640, 921886, 1053584, 1316980, 1505120, 1603280, 1843772, 2107168, 2304715, 2633960, 3206560, 3687544, 4609430, 5267920, 7375088, 9218860, 10535840, 14750176, 18437720, 36875440, 73750880]

約数ペア:

[(1, 73750880), (2, 36875440), (4, 18437720), (5, 14750176), (7, 10535840), (8, 9218860), (10, 7375088), (14, 5267920), (16, 4609430), (20, 3687544), (23, 3206560), (28, 2633960), (32, 2304715), (35, 2107168), (40, 1843772), (46, 1603280), (49, 1505120), (56, 1316980), (70, 1053584), (80, 921886), (92, 801640), (98, 752560), (112, 658490), (115, 641312), (140, 526792), (160, 460943), (161, 458080), (184, 400820), (196, 376280), (224, 329245), (230, 320656), (245, 301024), (280, 263396), (322, 229040), (368, 200410), (392, 188140), (409, 180320), (460, 160328), (490, 150512), (560, 131698), (644, 114520), (736, 100205), (784, 94070), (805, 91616), (818, 90160), (920, 80164), (980, 75256), (1120, 65849), (1127, 65440), (1288, 57260), (1568, 47035), (1610, 45808), (1636, 45080), (1840, 40082), (1960, 37628), (2045, 36064), (2254, 32720), (2576, 28630), (2863, 25760), (3220, 22904), (3272, 22540), (3680, 20041), (3920, 18814), (4090, 18032), (4508, 16360), (5152, 14315), (5635, 13088), (5726, 12880), (6440, 11452), (6544, 11270), (7840, 9407), (8180, 9016)]