80904285

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 184504320

約数和(自身を除く): 103600035

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 43, 45, 55, 63, 77, 99, 105, 129, 135, 165, 181, 189, 215, 231, 297, 301, 315, 385, 387, 473, 495, 543, 645, 693, 903, 905, 945, 1155, 1161, 1267, 1419, 1485, 1505, 1629, 1935, 1991, 2079, 2365, 2709, 2715, 3311, 3465, 3801, 4257, 4515, 4887, 5805, 5973, 6335, 7095, 7783, 8127, 8145, 9933, 9955, 10395, 11403, 12771, 13545, 13937, 16555, 17919, 19005, 21285, 23349, 24435, 29799, 29865, 34209, 38915, 40635, 41811, 49665, 53757, 54481, 57015, 63855, 69685, 70047, 85613, 89397, 89595, 116745, 125433, 148995, 163443, 171045, 209055, 210141, 256839, 268785, 272405, 350235, 376299, 428065, 446985, 490329, 599291, 627165, 770517, 817215, 1050705, 1284195, 1470987, 1797873, 1881495, 2311551, 2451645, 2996455, 3852585, 5393619, 7354935, 8989365, 11557755, 16180857, 26968095, 80904285]

約数ペア:

[(1, 80904285), (3, 26968095), (5, 16180857), (7, 11557755), (9, 8989365), (11, 7354935), (15, 5393619), (21, 3852585), (27, 2996455), (33, 2451645), (35, 2311551), (43, 1881495), (45, 1797873), (55, 1470987), (63, 1284195), (77, 1050705), (99, 817215), (105, 770517), (129, 627165), (135, 599291), (165, 490329), (181, 446985), (189, 428065), (215, 376299), (231, 350235), (297, 272405), (301, 268785), (315, 256839), (385, 210141), (387, 209055), (473, 171045), (495, 163443), (543, 148995), (645, 125433), (693, 116745), (903, 89595), (905, 89397), (945, 85613), (1155, 70047), (1161, 69685), (1267, 63855), (1419, 57015), (1485, 54481), (1505, 53757), (1629, 49665), (1935, 41811), (1991, 40635), (2079, 38915), (2365, 34209), (2709, 29865), (2715, 29799), (3311, 24435), (3465, 23349), (3801, 21285), (4257, 19005), (4515, 17919), (4887, 16555), (5805, 13937), (5973, 13545), (6335, 12771), (7095, 11403), (7783, 10395), (8127, 9955), (8145, 9933)]