2021105680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1745

約数の個数: 160

約数和(自身を含む): 5440151808

約数和(自身を除く): 3419046128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 61, 80, 88, 92, 110, 115, 122, 176, 184, 220, 230, 244, 253, 305, 368, 440, 460, 488, 506, 610, 671, 880, 920, 976, 1012, 1220, 1265, 1342, 1403, 1637, 1840, 2024, 2440, 2530, 2684, 2806, 3274, 3355, 4048, 4880, 5060, 5368, 5612, 6548, 6710, 7015, 8185, 10120, 10736, 11224, 13096, 13420, 14030, 15433, 16370, 18007, 20240, 22448, 26192, 26840, 28060, 30866, 32740, 36014, 37651, 53680, 56120, 61732, 65480, 72028, 75302, 77165, 90035, 99857, 112240, 123464, 130960, 144056, 150604, 154330, 180070, 188255, 199714, 246928, 288112, 301208, 308660, 360140, 376510, 399428, 414161, 499285, 602416, 617320, 720280, 753020, 798856, 828322, 998570, 1098427, 1234640, 1440560, 1506040, 1597712, 1656644, 1997140, 2070805, 2196854, 2296711, 3012080, 3313288, 3994280, 4141610, 4393708, 4593422, 5492135, 6626576, 7988560, 8283220, 8787416, 9186844, 10984270, 11483555, 16566440, 17574832, 18373688, 21968540, 22967110, 25263821, 33132880, 36747376, 43937080, 45934220, 50527642, 87874160, 91868440, 101055284, 126319105, 183736880, 202110568, 252638210, 404221136, 505276420, 1010552840, 2021105680]

約数ペア:

[(1, 2021105680), (2, 1010552840), (4, 505276420), (5, 404221136), (8, 252638210), (10, 202110568), (11, 183736880), (16, 126319105), (20, 101055284), (22, 91868440), (23, 87874160), (40, 50527642), (44, 45934220), (46, 43937080), (55, 36747376), (61, 33132880), (80, 25263821), (88, 22967110), (92, 21968540), (110, 18373688), (115, 17574832), (122, 16566440), (176, 11483555), (184, 10984270), (220, 9186844), (230, 8787416), (244, 8283220), (253, 7988560), (305, 6626576), (368, 5492135), (440, 4593422), (460, 4393708), (488, 4141610), (506, 3994280), (610, 3313288), (671, 3012080), (880, 2296711), (920, 2196854), (976, 2070805), (1012, 1997140), (1220, 1656644), (1265, 1597712), (1342, 1506040), (1403, 1440560), (1637, 1234640), (1840, 1098427), (2024, 998570), (2440, 828322), (2530, 798856), (2684, 753020), (2806, 720280), (3274, 617320), (3355, 602416), (4048, 499285), (4880, 414161), (5060, 399428), (5368, 376510), (5612, 360140), (6548, 308660), (6710, 301208), (7015, 288112), (8185, 246928), (10120, 199714), (10736, 188255), (11224, 180070), (13096, 154330), (13420, 150604), (14030, 144056), (15433, 130960), (16370, 123464), (18007, 112240), (20240, 99857), (22448, 90035), (26192, 77165), (26840, 75302), (28060, 72028), (30866, 65480), (32740, 61732), (36014, 56120), (37651, 53680)]