1290983904

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{640369}}^1$

素因数の和:640392

約数の個数: 72

約数和(自身を含む): 4195704240

約数和(自身を除く): 2904720336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 640369, 1280738, 1921107, 2561476, 3842214, 4482583, 5122952, 5763321, 7684428, 8965166, 10245904, 11526642, 13447749, 15368856, 17930332, 20491808, 23053284, 26895498, 30737712, 35860664, 40343247, 46106568, 53790996, 61475424, 71721328, 80686494, 92213136, 107581992, 143442656, 161372988, 184426272, 215163984, 322745976, 430327968, 645491952, 1290983904]

約数ペア:

[(1, 1290983904), (2, 645491952), (3, 430327968), (4, 322745976), (6, 215163984), (7, 184426272), (8, 161372988), (9, 143442656), (12, 107581992), (14, 92213136), (16, 80686494), (18, 71721328), (21, 61475424), (24, 53790996), (28, 46106568), (32, 40343247), (36, 35860664), (42, 30737712), (48, 26895498), (56, 23053284), (63, 20491808), (72, 17930332), (84, 15368856), (96, 13447749), (112, 11526642), (126, 10245904), (144, 8965166), (168, 7684428), (224, 5763321), (252, 5122952), (288, 4482583), (336, 3842214), (504, 2561476), (672, 1921107), (1008, 1280738), (2016, 640369)]