20161279970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{491}}^1$

素因数の和:1008

約数の個数: 128

約数和(自身を含む): 42277552128

約数和(自身を除く): 22116272158

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 230, 299, 310, 403, 443, 491, 598, 713, 806, 886, 982, 1426, 1495, 2015, 2215, 2455, 2990, 3565, 4030, 4430, 4910, 5759, 6383, 7130, 9269, 10189, 11293, 11518, 12766, 13733, 15221, 18538, 20378, 22586, 27466, 28795, 30442, 31915, 46345, 50945, 56465, 57590, 63830, 68665, 76105, 92690, 101890, 112930, 132457, 137330, 146809, 152210, 178529, 197873, 217513, 264914, 293618, 315859, 350083, 357058, 395746, 435026, 631718, 662285, 700166, 734045, 892645, 989365, 1087565, 1324570, 1468090, 1579295, 1750415, 1785290, 1978730, 2175130, 2827669, 3158590, 3500830, 4106167, 4551079, 5002799, 5655338, 6742903, 8212334, 9102158, 10005598, 13485806, 14138345, 20530835, 22755395, 25013995, 28276690, 33714515, 41061670, 45510790, 50027990, 65036387, 67429030, 87657739, 130072774, 155086769, 175315478, 310173538, 325181935, 438288695, 650363870, 775433845, 876577390, 1550867690, 2016127997, 4032255994, 10080639985, 20161279970]

約数ペア:

[(1, 20161279970), (2, 10080639985), (5, 4032255994), (10, 2016127997), (13, 1550867690), (23, 876577390), (26, 775433845), (31, 650363870), (46, 438288695), (62, 325181935), (65, 310173538), (115, 175315478), (130, 155086769), (155, 130072774), (230, 87657739), (299, 67429030), (310, 65036387), (403, 50027990), (443, 45510790), (491, 41061670), (598, 33714515), (713, 28276690), (806, 25013995), (886, 22755395), (982, 20530835), (1426, 14138345), (1495, 13485806), (2015, 10005598), (2215, 9102158), (2455, 8212334), (2990, 6742903), (3565, 5655338), (4030, 5002799), (4430, 4551079), (4910, 4106167), (5759, 3500830), (6383, 3158590), (7130, 2827669), (9269, 2175130), (10189, 1978730), (11293, 1785290), (11518, 1750415), (12766, 1579295), (13733, 1468090), (15221, 1324570), (18538, 1087565), (20378, 989365), (22586, 892645), (27466, 734045), (28795, 700166), (30442, 662285), (31915, 631718), (46345, 435026), (50945, 395746), (56465, 357058), (57590, 350083), (63830, 315859), (68665, 293618), (76105, 264914), (92690, 217513), (101890, 197873), (112930, 178529), (132457, 152210), (137330, 146809)]