263878160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:641

約数の個数: 160

約数和(自身を含む): 767784192

約数和(自身を除く): 503906032

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 80, 91, 104, 112, 130, 134, 140, 182, 208, 260, 268, 280, 335, 364, 455, 469, 520, 536, 541, 560, 670, 728, 871, 910, 938, 1040, 1072, 1082, 1340, 1456, 1742, 1820, 1876, 2164, 2345, 2680, 2705, 3484, 3640, 3752, 3787, 4328, 4355, 4690, 5360, 5410, 6097, 6968, 7033, 7280, 7504, 7574, 8656, 8710, 9380, 10820, 12194, 13936, 14066, 15148, 17420, 18760, 18935, 21640, 24388, 28132, 30296, 30485, 34840, 35165, 36247, 37520, 37870, 43280, 48776, 49231, 56264, 60592, 60970, 69680, 70330, 72494, 75740, 97552, 98462, 112528, 121940, 140660, 144988, 151480, 181235, 196924, 243880, 246155, 253729, 281320, 289976, 302960, 362470, 393848, 471211, 487760, 492310, 507458, 562640, 579952, 724940, 787696, 942422, 984620, 1014916, 1268645, 1449880, 1884844, 1969240, 2029832, 2356055, 2537290, 2899760, 3298477, 3769688, 3938480, 4059664, 4712110, 5074580, 6596954, 7539376, 9424220, 10149160, 13193908, 16492385, 18848440, 20298320, 26387816, 32984770, 37696880, 52775632, 65969540, 131939080, 263878160]

約数ペア:

[(1, 263878160), (2, 131939080), (4, 65969540), (5, 52775632), (7, 37696880), (8, 32984770), (10, 26387816), (13, 20298320), (14, 18848440), (16, 16492385), (20, 13193908), (26, 10149160), (28, 9424220), (35, 7539376), (40, 6596954), (52, 5074580), (56, 4712110), (65, 4059664), (67, 3938480), (70, 3769688), (80, 3298477), (91, 2899760), (104, 2537290), (112, 2356055), (130, 2029832), (134, 1969240), (140, 1884844), (182, 1449880), (208, 1268645), (260, 1014916), (268, 984620), (280, 942422), (335, 787696), (364, 724940), (455, 579952), (469, 562640), (520, 507458), (536, 492310), (541, 487760), (560, 471211), (670, 393848), (728, 362470), (871, 302960), (910, 289976), (938, 281320), (1040, 253729), (1072, 246155), (1082, 243880), (1340, 196924), (1456, 181235), (1742, 151480), (1820, 144988), (1876, 140660), (2164, 121940), (2345, 112528), (2680, 98462), (2705, 97552), (3484, 75740), (3640, 72494), (3752, 70330), (3787, 69680), (4328, 60970), (4355, 60592), (4690, 56264), (5360, 49231), (5410, 48776), (6097, 43280), (6968, 37870), (7033, 37520), (7280, 36247), (7504, 35165), (7574, 34840), (8656, 30485), (8710, 30296), (9380, 28132), (10820, 24388), (12194, 21640), (13936, 18935), (14066, 18760), (15148, 17420)]