1885105280

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 128

約数和(自身を含む): 4615300080

約数和(自身を除く): 2730194800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 157, 160, 257, 292, 314, 320, 365, 514, 584, 628, 640, 730, 785, 1028, 1168, 1256, 1285, 1460, 1570, 2056, 2336, 2512, 2570, 2920, 3140, 4112, 4672, 5024, 5140, 5840, 6280, 8224, 9344, 10048, 10280, 11461, 11680, 12560, 16448, 18761, 20096, 20560, 22922, 23360, 25120, 32896, 37522, 40349, 41120, 45844, 46720, 50240, 57305, 75044, 80698, 82240, 91688, 93805, 100480, 114610, 150088, 161396, 164480, 183376, 187610, 201745, 229220, 300176, 322792, 366752, 375220, 403490, 458440, 600352, 645584, 733504, 750440, 806980, 916880, 1200704, 1291168, 1467008, 1500880, 1613960, 1833760, 2401408, 2582336, 2945477, 3001760, 3227920, 3667520, 5164672, 5890954, 6003520, 6455840, 7335040, 11781908, 12007040, 12911680, 14727385, 23563816, 25823360, 29454770, 47127632, 58909540, 94255264, 117819080, 188510528, 235638160, 377021056, 471276320, 942552640, 1885105280]

約数ペア:

[(1, 1885105280), (2, 942552640), (4, 471276320), (5, 377021056), (8, 235638160), (10, 188510528), (16, 117819080), (20, 94255264), (32, 58909540), (40, 47127632), (64, 29454770), (73, 25823360), (80, 23563816), (128, 14727385), (146, 12911680), (157, 12007040), (160, 11781908), (257, 7335040), (292, 6455840), (314, 6003520), (320, 5890954), (365, 5164672), (514, 3667520), (584, 3227920), (628, 3001760), (640, 2945477), (730, 2582336), (785, 2401408), (1028, 1833760), (1168, 1613960), (1256, 1500880), (1285, 1467008), (1460, 1291168), (1570, 1200704), (2056, 916880), (2336, 806980), (2512, 750440), (2570, 733504), (2920, 645584), (3140, 600352), (4112, 458440), (4672, 403490), (5024, 375220), (5140, 366752), (5840, 322792), (6280, 300176), (8224, 229220), (9344, 201745), (10048, 187610), (10280, 183376), (11461, 164480), (11680, 161396), (12560, 150088), (16448, 114610), (18761, 100480), (20096, 93805), (20560, 91688), (22922, 82240), (23360, 80698), (25120, 75044), (32896, 57305), (37522, 50240), (40349, 46720), (41120, 45844)]