816178880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 168

約数和(自身を含む): 2167182864

約数和(自身を除く): 1351003984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 107, 110, 121, 160, 176, 197, 214, 220, 242, 320, 352, 394, 428, 440, 484, 535, 605, 704, 788, 856, 880, 968, 985, 1070, 1177, 1210, 1576, 1712, 1760, 1936, 1970, 2140, 2167, 2354, 2420, 3152, 3424, 3520, 3872, 3940, 4280, 4334, 4708, 4840, 5885, 6304, 6848, 7744, 7880, 8560, 8668, 9416, 9680, 10835, 11770, 12608, 12947, 15760, 17120, 17336, 18832, 19360, 21079, 21670, 23540, 23837, 25894, 31520, 34240, 34672, 37664, 38720, 42158, 43340, 47080, 47674, 51788, 63040, 64735, 69344, 75328, 84316, 86680, 94160, 95348, 103576, 105395, 119185, 129470, 138688, 168632, 173360, 188320, 190696, 207152, 210790, 231869, 238370, 258940, 337264, 346720, 376640, 381392, 414304, 421580, 463738, 476740, 517880, 674528, 693440, 762784, 828608, 843160, 927476, 953480, 1035760, 1159345, 1349056, 1525568, 1686320, 1854952, 1906960, 2071520, 2318690, 2550559, 3372640, 3709904, 3813920, 4143040, 4637380, 5101118, 6745280, 7419808, 7627840, 9274760, 10202236, 12752795, 14839616, 18549520, 20404472, 25505590, 37099040, 40808944, 51011180, 74198080, 81617888, 102022360, 163235776, 204044720, 408089440, 816178880]

約数ペア:

[(1, 816178880), (2, 408089440), (4, 204044720), (5, 163235776), (8, 102022360), (10, 81617888), (11, 74198080), (16, 51011180), (20, 40808944), (22, 37099040), (32, 25505590), (40, 20404472), (44, 18549520), (55, 14839616), (64, 12752795), (80, 10202236), (88, 9274760), (107, 7627840), (110, 7419808), (121, 6745280), (160, 5101118), (176, 4637380), (197, 4143040), (214, 3813920), (220, 3709904), (242, 3372640), (320, 2550559), (352, 2318690), (394, 2071520), (428, 1906960), (440, 1854952), (484, 1686320), (535, 1525568), (605, 1349056), (704, 1159345), (788, 1035760), (856, 953480), (880, 927476), (968, 843160), (985, 828608), (1070, 762784), (1177, 693440), (1210, 674528), (1576, 517880), (1712, 476740), (1760, 463738), (1936, 421580), (1970, 414304), (2140, 381392), (2167, 376640), (2354, 346720), (2420, 337264), (3152, 258940), (3424, 238370), (3520, 231869), (3872, 210790), (3940, 207152), (4280, 190696), (4334, 188320), (4708, 173360), (4840, 168632), (5885, 138688), (6304, 129470), (6848, 119185), (7744, 105395), (7880, 103576), (8560, 95348), (8668, 94160), (9416, 86680), (9680, 84316), (10835, 75328), (11770, 69344), (12608, 64735), (12947, 63040), (15760, 51788), (17120, 47674), (17336, 47080), (18832, 43340), (19360, 42158), (21079, 38720), (21670, 37664), (23540, 34672), (23837, 34240), (25894, 31520)]