2560880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 7231680

約数和(自身を除く): 4670800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 269, 272, 280, 340, 476, 538, 560, 595, 680, 952, 1076, 1190, 1345, 1360, 1883, 1904, 2152, 2380, 2690, 3766, 4304, 4573, 4760, 5380, 7532, 9146, 9415, 9520, 10760, 15064, 18292, 18830, 21520, 22865, 30128, 32011, 36584, 37660, 45730, 64022, 73168, 75320, 91460, 128044, 150640, 160055, 182920, 256088, 320110, 365840, 512176, 640220, 1280440, 2560880]

約数ペア:

[(1, 2560880), (2, 1280440), (4, 640220), (5, 512176), (7, 365840), (8, 320110), (10, 256088), (14, 182920), (16, 160055), (17, 150640), (20, 128044), (28, 91460), (34, 75320), (35, 73168), (40, 64022), (56, 45730), (68, 37660), (70, 36584), (80, 32011), (85, 30128), (112, 22865), (119, 21520), (136, 18830), (140, 18292), (170, 15064), (238, 10760), (269, 9520), (272, 9415), (280, 9146), (340, 7532), (476, 5380), (538, 4760), (560, 4573), (595, 4304), (680, 3766), (952, 2690), (1076, 2380), (1190, 2152), (1345, 1904), (1360, 1883)]