2017235840

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 4947138720

約数和(自身を除く): 2929902880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 163, 244, 305, 317, 320, 326, 488, 610, 634, 640, 652, 815, 976, 1220, 1268, 1304, 1585, 1630, 1952, 2440, 2536, 2608, 3170, 3260, 3904, 4880, 5072, 5216, 6340, 6520, 7808, 9760, 9943, 10144, 10432, 12680, 13040, 19337, 19520, 19886, 20288, 20864, 25360, 26080, 38674, 39040, 39772, 40576, 49715, 50720, 51671, 52160, 77348, 79544, 96685, 99430, 101440, 103342, 104320, 154696, 159088, 193370, 198860, 202880, 206684, 258355, 309392, 318176, 386740, 397720, 413368, 516710, 618784, 636352, 773480, 795440, 826736, 1033420, 1237568, 1272704, 1546960, 1590880, 1653472, 2066840, 2475136, 3093920, 3151931, 3181760, 3306944, 4133680, 6187840, 6303862, 6363520, 6613888, 8267360, 12375680, 12607724, 15759655, 16534720, 25215448, 31519310, 33069440, 50430896, 63038620, 100861792, 126077240, 201723584, 252154480, 403447168, 504308960, 1008617920, 2017235840]

約数ペア:

[(1, 2017235840), (2, 1008617920), (4, 504308960), (5, 403447168), (8, 252154480), (10, 201723584), (16, 126077240), (20, 100861792), (32, 63038620), (40, 50430896), (61, 33069440), (64, 31519310), (80, 25215448), (122, 16534720), (128, 15759655), (160, 12607724), (163, 12375680), (244, 8267360), (305, 6613888), (317, 6363520), (320, 6303862), (326, 6187840), (488, 4133680), (610, 3306944), (634, 3181760), (640, 3151931), (652, 3093920), (815, 2475136), (976, 2066840), (1220, 1653472), (1268, 1590880), (1304, 1546960), (1585, 1272704), (1630, 1237568), (1952, 1033420), (2440, 826736), (2536, 795440), (2608, 773480), (3170, 636352), (3260, 618784), (3904, 516710), (4880, 413368), (5072, 397720), (5216, 386740), (6340, 318176), (6520, 309392), (7808, 258355), (9760, 206684), (9943, 202880), (10144, 198860), (10432, 193370), (12680, 159088), (13040, 154696), (19337, 104320), (19520, 103342), (19886, 101440), (20288, 99430), (20864, 96685), (25360, 79544), (26080, 77348), (38674, 52160), (39040, 51671), (39772, 50720), (40576, 49715)]