56380720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 144990720

約数和(自身を除く): 88610000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 811, 869, 880, 1264, 1580, 1622, 1738, 3160, 3244, 3476, 4055, 4345, 6320, 6488, 6952, 8110, 8690, 8921, 12976, 13904, 16220, 17380, 17842, 32440, 34760, 35684, 44605, 64069, 64880, 69520, 71368, 89210, 128138, 142736, 178420, 256276, 320345, 356840, 512552, 640690, 704759, 713680, 1025104, 1281380, 1409518, 2562760, 2819036, 3523795, 5125520, 5638072, 7047590, 11276144, 14095180, 28190360, 56380720]

約数ペア:

[(1, 56380720), (2, 28190360), (4, 14095180), (5, 11276144), (8, 7047590), (10, 5638072), (11, 5125520), (16, 3523795), (20, 2819036), (22, 2562760), (40, 1409518), (44, 1281380), (55, 1025104), (79, 713680), (80, 704759), (88, 640690), (110, 512552), (158, 356840), (176, 320345), (220, 256276), (316, 178420), (395, 142736), (440, 128138), (632, 89210), (790, 71368), (811, 69520), (869, 64880), (880, 64069), (1264, 44605), (1580, 35684), (1622, 34760), (1738, 32440), (3160, 17842), (3244, 17380), (3476, 16220), (4055, 13904), (4345, 12976), (6320, 8921), (6488, 8690), (6952, 8110)]