821840256

素因数分解:

$2^7\times 3^4\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2614

約数の個数: 160

約数和(自身を含む): 2525666880

約数和(自身を除く): 1703826624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 128, 144, 162, 186, 192, 216, 248, 279, 288, 324, 372, 384, 432, 496, 558, 576, 648, 744, 837, 864, 992, 1116, 1152, 1296, 1488, 1674, 1728, 1984, 2232, 2511, 2557, 2592, 2976, 3348, 3456, 3968, 4464, 5022, 5114, 5184, 5952, 6696, 7671, 8928, 10044, 10228, 10368, 11904, 13392, 15342, 17856, 20088, 20456, 23013, 26784, 30684, 35712, 40176, 40912, 46026, 53568, 61368, 69039, 79267, 80352, 81824, 92052, 107136, 122736, 138078, 158534, 160704, 163648, 184104, 207117, 237801, 245472, 276156, 317068, 321408, 327296, 368208, 414234, 475602, 490944, 552312, 634136, 713403, 736416, 828468, 951204, 981888, 1104624, 1268272, 1426806, 1472832, 1656936, 1902408, 2140209, 2209248, 2536544, 2853612, 2945664, 3313872, 3804816, 4280418, 4418496, 5073088, 5707224, 6420627, 6627744, 7609632, 8560836, 8836992, 10146176, 11414448, 12841254, 13255488, 15219264, 17121672, 22828896, 25682508, 26510976, 30438528, 34243344, 45657792, 51365016, 68486688, 91315584, 102730032, 136973376, 205460064, 273946752, 410920128, 821840256]

約数ペア:

[(1, 821840256), (2, 410920128), (3, 273946752), (4, 205460064), (6, 136973376), (8, 102730032), (9, 91315584), (12, 68486688), (16, 51365016), (18, 45657792), (24, 34243344), (27, 30438528), (31, 26510976), (32, 25682508), (36, 22828896), (48, 17121672), (54, 15219264), (62, 13255488), (64, 12841254), (72, 11414448), (81, 10146176), (93, 8836992), (96, 8560836), (108, 7609632), (124, 6627744), (128, 6420627), (144, 5707224), (162, 5073088), (186, 4418496), (192, 4280418), (216, 3804816), (248, 3313872), (279, 2945664), (288, 2853612), (324, 2536544), (372, 2209248), (384, 2140209), (432, 1902408), (496, 1656936), (558, 1472832), (576, 1426806), (648, 1268272), (744, 1104624), (837, 981888), (864, 951204), (992, 828468), (1116, 736416), (1152, 713403), (1296, 634136), (1488, 552312), (1674, 490944), (1728, 475602), (1984, 414234), (2232, 368208), (2511, 327296), (2557, 321408), (2592, 317068), (2976, 276156), (3348, 245472), (3456, 237801), (3968, 207117), (4464, 184104), (5022, 163648), (5114, 160704), (5184, 158534), (5952, 138078), (6696, 122736), (7671, 107136), (8928, 92052), (10044, 81824), (10228, 80352), (10368, 79267), (11904, 69039), (13392, 61368), (15342, 53568), (17856, 46026), (20088, 40912), (20456, 40176), (23013, 35712), (26784, 30684)]