31252760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 89510400

約数和(自身を除く): 58257640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 88, 110, 139, 140, 146, 154, 220, 278, 280, 292, 308, 365, 385, 440, 511, 556, 584, 616, 695, 730, 770, 803, 973, 1022, 1112, 1390, 1460, 1529, 1540, 1606, 1946, 2044, 2555, 2780, 2920, 3058, 3080, 3212, 3892, 4015, 4088, 4865, 5110, 5560, 5621, 6116, 6424, 7645, 7784, 8030, 9730, 10147, 10220, 10703, 11242, 12232, 15290, 16060, 19460, 20294, 20440, 21406, 22484, 28105, 30580, 32120, 38920, 40588, 42812, 44968, 50735, 53515, 56210, 61160, 71029, 81176, 85624, 101470, 107030, 111617, 112420, 142058, 202940, 214060, 223234, 224840, 284116, 355145, 405880, 428120, 446468, 558085, 568232, 710290, 781319, 892936, 1116170, 1420580, 1562638, 2232340, 2841160, 3125276, 3906595, 4464680, 6250552, 7813190, 15626380, 31252760]

約数ペア:

[(1, 31252760), (2, 15626380), (4, 7813190), (5, 6250552), (7, 4464680), (8, 3906595), (10, 3125276), (11, 2841160), (14, 2232340), (20, 1562638), (22, 1420580), (28, 1116170), (35, 892936), (40, 781319), (44, 710290), (55, 568232), (56, 558085), (70, 446468), (73, 428120), (77, 405880), (88, 355145), (110, 284116), (139, 224840), (140, 223234), (146, 214060), (154, 202940), (220, 142058), (278, 112420), (280, 111617), (292, 107030), (308, 101470), (365, 85624), (385, 81176), (440, 71029), (511, 61160), (556, 56210), (584, 53515), (616, 50735), (695, 44968), (730, 42812), (770, 40588), (803, 38920), (973, 32120), (1022, 30580), (1112, 28105), (1390, 22484), (1460, 21406), (1529, 20440), (1540, 20294), (1606, 19460), (1946, 16060), (2044, 15290), (2555, 12232), (2780, 11242), (2920, 10703), (3058, 10220), (3080, 10147), (3212, 9730), (3892, 8030), (4015, 7784), (4088, 7645), (4865, 6424), (5110, 6116), (5560, 5621)]