261873920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2657}}^1$

素因数の和:2696

約数の個数: 144

約数和(自身を含む): 782345088

約数和(自身を除く): 520471168

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2240, 2464, 2657, 2816, 3080, 3520, 4480, 4928, 5314, 6160, 7040, 8960, 9856, 10628, 12320, 13285, 14080, 18599, 19712, 21256, 24640, 26570, 29227, 37198, 42512, 49280, 53140, 58454, 74396, 85024, 92995, 98560, 106280, 116908, 146135, 148792, 170048, 185990, 204589, 212560, 233816, 292270, 297584, 340096, 371980, 409178, 425120, 467632, 584540, 595168, 680192, 743960, 818356, 850240, 935264, 1022945, 1169080, 1190336, 1487920, 1636712, 1700480, 1870528, 2045890, 2338160, 2380672, 2975840, 3273424, 3400960, 3741056, 4091780, 4676320, 4761344, 5951680, 6546848, 7482112, 8183560, 9352640, 11903360, 13093696, 16367120, 18705280, 23806720, 26187392, 32734240, 37410560, 52374784, 65468480, 130936960, 261873920]

約数ペア:

[(1, 261873920), (2, 130936960), (4, 65468480), (5, 52374784), (7, 37410560), (8, 32734240), (10, 26187392), (11, 23806720), (14, 18705280), (16, 16367120), (20, 13093696), (22, 11903360), (28, 9352640), (32, 8183560), (35, 7482112), (40, 6546848), (44, 5951680), (55, 4761344), (56, 4676320), (64, 4091780), (70, 3741056), (77, 3400960), (80, 3273424), (88, 2975840), (110, 2380672), (112, 2338160), (128, 2045890), (140, 1870528), (154, 1700480), (160, 1636712), (176, 1487920), (220, 1190336), (224, 1169080), (256, 1022945), (280, 935264), (308, 850240), (320, 818356), (352, 743960), (385, 680192), (440, 595168), (448, 584540), (560, 467632), (616, 425120), (640, 409178), (704, 371980), (770, 340096), (880, 297584), (896, 292270), (1120, 233816), (1232, 212560), (1280, 204589), (1408, 185990), (1540, 170048), (1760, 148792), (1792, 146135), (2240, 116908), (2464, 106280), (2657, 98560), (2816, 92995), (3080, 85024), (3520, 74396), (4480, 58454), (4928, 53140), (5314, 49280), (6160, 42512), (7040, 37198), (8960, 29227), (9856, 26570), (10628, 24640), (12320, 21256), (13285, 19712), (14080, 18599)]