640535168

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:594

約数の個数: 128

約数和(自身を含む): 1586565120

約数和(自身を除く): 946029952

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 127, 128, 182, 208, 224, 254, 364, 416, 433, 448, 508, 728, 832, 866, 889, 896, 1016, 1456, 1651, 1664, 1732, 1778, 2032, 2912, 3031, 3302, 3464, 3556, 4064, 5629, 5824, 6062, 6604, 6928, 7112, 8128, 11258, 11557, 11648, 12124, 13208, 13856, 14224, 16256, 22516, 23114, 24248, 26416, 27712, 28448, 39403, 45032, 46228, 48496, 52832, 54991, 55424, 56896, 78806, 90064, 92456, 96992, 105664, 109982, 113792, 157612, 180128, 184912, 193984, 211328, 219964, 315224, 360256, 369824, 384937, 387968, 439928, 630448, 714883, 720512, 739648, 769874, 879856, 1260896, 1429766, 1479296, 1539748, 1759712, 2521792, 2859532, 3079496, 3519424, 5004181, 5043584, 5719064, 6158992, 7038848, 10008362, 11438128, 12317984, 20016724, 22876256, 24635968, 40033448, 45752512, 49271936, 80066896, 91505024, 160133792, 320267584, 640535168]

約数ペア:

[(1, 640535168), (2, 320267584), (4, 160133792), (7, 91505024), (8, 80066896), (13, 49271936), (14, 45752512), (16, 40033448), (26, 24635968), (28, 22876256), (32, 20016724), (52, 12317984), (56, 11438128), (64, 10008362), (91, 7038848), (104, 6158992), (112, 5719064), (127, 5043584), (128, 5004181), (182, 3519424), (208, 3079496), (224, 2859532), (254, 2521792), (364, 1759712), (416, 1539748), (433, 1479296), (448, 1429766), (508, 1260896), (728, 879856), (832, 769874), (866, 739648), (889, 720512), (896, 714883), (1016, 630448), (1456, 439928), (1651, 387968), (1664, 384937), (1732, 369824), (1778, 360256), (2032, 315224), (2912, 219964), (3031, 211328), (3302, 193984), (3464, 184912), (3556, 180128), (4064, 157612), (5629, 113792), (5824, 109982), (6062, 105664), (6604, 96992), (6928, 92456), (7112, 90064), (8128, 78806), (11258, 56896), (11557, 55424), (11648, 54991), (12124, 52832), (13208, 48496), (13856, 46228), (14224, 45032), (16256, 39403), (22516, 28448), (23114, 27712), (24248, 26416)]