840120320

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6311}}^1$

素因数の和:6351

約数の個数: 96

約数和(自身を含む): 2171201760

約数和(自身を除く): 1331081440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2048, 2080, 2560, 3328, 4160, 5120, 6311, 6656, 8320, 10240, 12622, 13312, 16640, 25244, 26624, 31555, 33280, 50488, 63110, 66560, 82043, 100976, 126220, 133120, 164086, 201952, 252440, 328172, 403904, 410215, 504880, 656344, 807808, 820430, 1009760, 1312688, 1615616, 1640860, 2019520, 2625376, 3231232, 3281720, 4039040, 5250752, 6462464, 6563440, 8078080, 10501504, 12924928, 13126880, 16156160, 21003008, 26253760, 32312320, 42006016, 52507520, 64624640, 84012032, 105015040, 168024064, 210030080, 420060160, 840120320]

約数ペア:

[(1, 840120320), (2, 420060160), (4, 210030080), (5, 168024064), (8, 105015040), (10, 84012032), (13, 64624640), (16, 52507520), (20, 42006016), (26, 32312320), (32, 26253760), (40, 21003008), (52, 16156160), (64, 13126880), (65, 12924928), (80, 10501504), (104, 8078080), (128, 6563440), (130, 6462464), (160, 5250752), (208, 4039040), (256, 3281720), (260, 3231232), (320, 2625376), (416, 2019520), (512, 1640860), (520, 1615616), (640, 1312688), (832, 1009760), (1024, 820430), (1040, 807808), (1280, 656344), (1664, 504880), (2048, 410215), (2080, 403904), (2560, 328172), (3328, 252440), (4160, 201952), (5120, 164086), (6311, 133120), (6656, 126220), (8320, 100976), (10240, 82043), (12622, 66560), (13312, 63110), (16640, 50488), (25244, 33280), (26624, 31555)]