720291328

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:535

約数の個数: 80

約数和(自身を含む): 1503810000

約数和(自身を除く): 783518672

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 139, 232, 256, 278, 349, 464, 512, 556, 698, 928, 1112, 1396, 1856, 2224, 2792, 3712, 4031, 4448, 5584, 7424, 8062, 8896, 10121, 11168, 14848, 16124, 17792, 20242, 22336, 32248, 35584, 40484, 44672, 48511, 64496, 71168, 80968, 89344, 97022, 128992, 161936, 178688, 194044, 257984, 323872, 388088, 515968, 647744, 776176, 1031936, 1295488, 1406819, 1552352, 2063872, 2590976, 2813638, 3104704, 5181952, 5627276, 6209408, 11254552, 12418816, 22509104, 24837632, 45018208, 90036416, 180072832, 360145664, 720291328]

約数ペア:

[(1, 720291328), (2, 360145664), (4, 180072832), (8, 90036416), (16, 45018208), (29, 24837632), (32, 22509104), (58, 12418816), (64, 11254552), (116, 6209408), (128, 5627276), (139, 5181952), (232, 3104704), (256, 2813638), (278, 2590976), (349, 2063872), (464, 1552352), (512, 1406819), (556, 1295488), (698, 1031936), (928, 776176), (1112, 647744), (1396, 515968), (1856, 388088), (2224, 323872), (2792, 257984), (3712, 194044), (4031, 178688), (4448, 161936), (5584, 128992), (7424, 97022), (8062, 89344), (8896, 80968), (10121, 71168), (11168, 64496), (14848, 48511), (16124, 44672), (17792, 40484), (20242, 35584), (22336, 32248)]