1290361856

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5807}}^1$

素因数の和:5865

約数の個数: 88

約数和(自身を含む): 3043577856

約数和(自身を除く): 1753216000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1024, 1736, 1792, 1984, 3472, 3584, 3968, 5807, 6944, 7168, 7936, 11614, 13888, 15872, 23228, 27776, 31744, 40649, 46456, 55552, 81298, 92912, 111104, 162596, 180017, 185824, 222208, 325192, 360034, 371648, 650384, 720068, 743296, 1260119, 1300768, 1440136, 1486592, 2520238, 2601536, 2880272, 2973184, 5040476, 5203072, 5760544, 5946368, 10080952, 10406144, 11521088, 20161904, 20812288, 23042176, 40323808, 41624576, 46084352, 80647616, 92168704, 161295232, 184337408, 322590464, 645180928, 1290361856]

約数ペア:

[(1, 1290361856), (2, 645180928), (4, 322590464), (7, 184337408), (8, 161295232), (14, 92168704), (16, 80647616), (28, 46084352), (31, 41624576), (32, 40323808), (56, 23042176), (62, 20812288), (64, 20161904), (112, 11521088), (124, 10406144), (128, 10080952), (217, 5946368), (224, 5760544), (248, 5203072), (256, 5040476), (434, 2973184), (448, 2880272), (496, 2601536), (512, 2520238), (868, 1486592), (896, 1440136), (992, 1300768), (1024, 1260119), (1736, 743296), (1792, 720068), (1984, 650384), (3472, 371648), (3584, 360034), (3968, 325192), (5807, 222208), (6944, 185824), (7168, 180017), (7936, 162596), (11614, 111104), (13888, 92912), (15872, 81298), (23228, 55552), (27776, 46456), (31744, 40649)]