1255578740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 144

約数和(自身を含む): 3081286656

約数和(自身を除く): 1825707916

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 92, 115, 124, 130, 155, 169, 230, 260, 299, 310, 338, 403, 460, 521, 598, 620, 676, 713, 806, 845, 1042, 1196, 1426, 1495, 1612, 1690, 2015, 2084, 2605, 2852, 2990, 3380, 3565, 3887, 4030, 5210, 5239, 5980, 6773, 7130, 7774, 8060, 9269, 10420, 10478, 11983, 13546, 14260, 15548, 16151, 18538, 19435, 20956, 23966, 26195, 27092, 32302, 33865, 37076, 38870, 46345, 47932, 52390, 59915, 64604, 67730, 77740, 80755, 88049, 92690, 104780, 119830, 120497, 135460, 155779, 161510, 176098, 185380, 209963, 239660, 240994, 311558, 323020, 352196, 371473, 419926, 440245, 481988, 602485, 623116, 742946, 778895, 839852, 880490, 1049815, 1204970, 1485892, 1557790, 1760980, 1857365, 2025127, 2099630, 2409940, 2729519, 3115580, 3714730, 4050254, 4199260, 4829149, 5459038, 7429460, 8100508, 9658298, 10125635, 10918076, 13647595, 19316596, 20251270, 24145745, 27295190, 40502540, 48291490, 54590380, 62778937, 96582980, 125557874, 251115748, 313894685, 627789370, 1255578740]

約数ペア:

[(1, 1255578740), (2, 627789370), (4, 313894685), (5, 251115748), (10, 125557874), (13, 96582980), (20, 62778937), (23, 54590380), (26, 48291490), (31, 40502540), (46, 27295190), (52, 24145745), (62, 20251270), (65, 19316596), (92, 13647595), (115, 10918076), (124, 10125635), (130, 9658298), (155, 8100508), (169, 7429460), (230, 5459038), (260, 4829149), (299, 4199260), (310, 4050254), (338, 3714730), (403, 3115580), (460, 2729519), (521, 2409940), (598, 2099630), (620, 2025127), (676, 1857365), (713, 1760980), (806, 1557790), (845, 1485892), (1042, 1204970), (1196, 1049815), (1426, 880490), (1495, 839852), (1612, 778895), (1690, 742946), (2015, 623116), (2084, 602485), (2605, 481988), (2852, 440245), (2990, 419926), (3380, 371473), (3565, 352196), (3887, 323020), (4030, 311558), (5210, 240994), (5239, 239660), (5980, 209963), (6773, 185380), (7130, 176098), (7774, 161510), (8060, 155779), (9269, 135460), (10420, 120497), (10478, 119830), (11983, 104780), (13546, 92690), (14260, 88049), (15548, 80755), (16151, 77740), (18538, 67730), (19435, 64604), (20956, 59915), (23966, 52390), (26195, 47932), (27092, 46345), (32302, 38870), (33865, 37076)]