256577040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{971}}^1$

素因数の和:1357

約数の個数: 120

約数和(自身を含む): 864908928

約数和(自身を除く): 608331888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 367, 720, 734, 971, 1101, 1468, 1835, 1942, 2202, 2913, 2936, 3303, 3670, 3884, 4404, 4855, 5505, 5826, 5872, 6606, 7340, 7768, 8739, 8808, 9710, 11010, 11652, 13212, 14565, 14680, 15536, 16515, 17478, 17616, 19420, 22020, 23304, 26424, 29130, 29360, 33030, 34956, 38840, 43695, 44040, 46608, 52848, 58260, 66060, 69912, 77680, 87390, 88080, 116520, 132120, 139824, 174780, 233040, 264240, 349560, 356357, 699120, 712714, 1069071, 1425428, 1781785, 2138142, 2850856, 3207213, 3563570, 4276284, 5345355, 5701712, 6414426, 7127140, 8552568, 10690710, 12828852, 14254280, 16036065, 17105136, 21381420, 25657704, 28508560, 32072130, 42762840, 51315408, 64144260, 85525680, 128288520, 256577040]

約数ペア:

[(1, 256577040), (2, 128288520), (3, 85525680), (4, 64144260), (5, 51315408), (6, 42762840), (8, 32072130), (9, 28508560), (10, 25657704), (12, 21381420), (15, 17105136), (16, 16036065), (18, 14254280), (20, 12828852), (24, 10690710), (30, 8552568), (36, 7127140), (40, 6414426), (45, 5701712), (48, 5345355), (60, 4276284), (72, 3563570), (80, 3207213), (90, 2850856), (120, 2138142), (144, 1781785), (180, 1425428), (240, 1069071), (360, 712714), (367, 699120), (720, 356357), (734, 349560), (971, 264240), (1101, 233040), (1468, 174780), (1835, 139824), (1942, 132120), (2202, 116520), (2913, 88080), (2936, 87390), (3303, 77680), (3670, 69912), (3884, 66060), (4404, 58260), (4855, 52848), (5505, 46608), (5826, 44040), (5872, 43695), (6606, 38840), (7340, 34956), (7768, 33030), (8739, 29360), (8808, 29130), (9710, 26424), (11010, 23304), (11652, 22020), (13212, 19420), (14565, 17616), (14680, 17478), (15536, 16515)]