261672320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4493}}^1$

素因数の和:4532

約数の個数: 128

約数和(自身を含む): 770091840

約数和(自身を除く): 508419520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 4493, 5824, 7280, 8320, 8986, 11648, 14560, 17972, 22465, 29120, 31451, 35944, 44930, 58240, 58409, 62902, 71888, 89860, 116818, 125804, 143776, 157255, 179720, 233636, 251608, 287552, 292045, 314510, 359440, 408863, 467272, 503216, 575104, 584090, 629020, 718880, 817726, 934544, 1006432, 1168180, 1258040, 1437760, 1635452, 1869088, 2012864, 2044315, 2336360, 2516080, 2875520, 3270904, 3738176, 4025728, 4088630, 4672720, 5032160, 6541808, 7476352, 8177260, 9345440, 10064320, 13083616, 16354520, 18690880, 20128640, 26167232, 32709040, 37381760, 52334464, 65418080, 130836160, 261672320]

約数ペア:

[(1, 261672320), (2, 130836160), (4, 65418080), (5, 52334464), (7, 37381760), (8, 32709040), (10, 26167232), (13, 20128640), (14, 18690880), (16, 16354520), (20, 13083616), (26, 10064320), (28, 9345440), (32, 8177260), (35, 7476352), (40, 6541808), (52, 5032160), (56, 4672720), (64, 4088630), (65, 4025728), (70, 3738176), (80, 3270904), (91, 2875520), (104, 2516080), (112, 2336360), (128, 2044315), (130, 2012864), (140, 1869088), (160, 1635452), (182, 1437760), (208, 1258040), (224, 1168180), (260, 1006432), (280, 934544), (320, 817726), (364, 718880), (416, 629020), (448, 584090), (455, 575104), (520, 503216), (560, 467272), (640, 408863), (728, 359440), (832, 314510), (896, 292045), (910, 287552), (1040, 251608), (1120, 233636), (1456, 179720), (1664, 157255), (1820, 143776), (2080, 125804), (2240, 116818), (2912, 89860), (3640, 71888), (4160, 62902), (4480, 58409), (4493, 58240), (5824, 44930), (7280, 35944), (8320, 31451), (8986, 29120), (11648, 22465), (14560, 17972)]