128298960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2441}}^1$

素因数の和:2533

約数の個数: 120

約数和(自身を含む): 436951944

約数和(自身を除く): 308652984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 438, 584, 657, 720, 730, 876, 1095, 1168, 1314, 1460, 1752, 2190, 2441, 2628, 2920, 3285, 3504, 4380, 4882, 5256, 5840, 6570, 7323, 8760, 9764, 10512, 12205, 13140, 14646, 17520, 19528, 21969, 24410, 26280, 29292, 36615, 39056, 43938, 48820, 52560, 58584, 73230, 87876, 97640, 109845, 117168, 146460, 175752, 178193, 195280, 219690, 292920, 351504, 356386, 439380, 534579, 585840, 712772, 878760, 890965, 1069158, 1425544, 1603737, 1757520, 1781930, 2138316, 2672895, 2851088, 3207474, 3563860, 4276632, 5345790, 6414948, 7127720, 8018685, 8553264, 10691580, 12829896, 14255440, 16037370, 21383160, 25659792, 32074740, 42766320, 64149480, 128298960]

約数ペア:

[(1, 128298960), (2, 64149480), (3, 42766320), (4, 32074740), (5, 25659792), (6, 21383160), (8, 16037370), (9, 14255440), (10, 12829896), (12, 10691580), (15, 8553264), (16, 8018685), (18, 7127720), (20, 6414948), (24, 5345790), (30, 4276632), (36, 3563860), (40, 3207474), (45, 2851088), (48, 2672895), (60, 2138316), (72, 1781930), (73, 1757520), (80, 1603737), (90, 1425544), (120, 1069158), (144, 890965), (146, 878760), (180, 712772), (219, 585840), (240, 534579), (292, 439380), (360, 356386), (365, 351504), (438, 292920), (584, 219690), (657, 195280), (720, 178193), (730, 175752), (876, 146460), (1095, 117168), (1168, 109845), (1314, 97640), (1460, 87876), (1752, 73230), (2190, 58584), (2441, 52560), (2628, 48820), (2920, 43938), (3285, 39056), (3504, 36615), (4380, 29292), (4882, 26280), (5256, 24410), (5840, 21969), (6570, 19528), (7323, 17520), (8760, 14646), (9764, 13140), (10512, 12205)]