640112512

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 1397710080

約数和(自身を除く): 757597568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 169, 208, 233, 254, 338, 416, 466, 508, 676, 832, 932, 1016, 1352, 1651, 1664, 1864, 2032, 2704, 3029, 3302, 3728, 4064, 5408, 6058, 6604, 7456, 8128, 10816, 12116, 13208, 14912, 16256, 21463, 21632, 24232, 26416, 29591, 29824, 39377, 42926, 48464, 52832, 59182, 78754, 85852, 96928, 105664, 118364, 157508, 171704, 193856, 211328, 236728, 315016, 343408, 384683, 387712, 473456, 630032, 686816, 769366, 946912, 1260064, 1373632, 1538732, 1893824, 2520128, 2747264, 3077464, 3787648, 5000879, 5040256, 6154928, 10001758, 12309856, 20003516, 24619712, 40007032, 49239424, 80014064, 160028128, 320056256, 640112512]

約数ペア:

[(1, 640112512), (2, 320056256), (4, 160028128), (8, 80014064), (13, 49239424), (16, 40007032), (26, 24619712), (32, 20003516), (52, 12309856), (64, 10001758), (104, 6154928), (127, 5040256), (128, 5000879), (169, 3787648), (208, 3077464), (233, 2747264), (254, 2520128), (338, 1893824), (416, 1538732), (466, 1373632), (508, 1260064), (676, 946912), (832, 769366), (932, 686816), (1016, 630032), (1352, 473456), (1651, 387712), (1664, 384683), (1864, 343408), (2032, 315016), (2704, 236728), (3029, 211328), (3302, 193856), (3728, 171704), (4064, 157508), (5408, 118364), (6058, 105664), (6604, 96928), (7456, 85852), (8128, 78754), (10816, 59182), (12116, 52832), (13208, 48464), (14912, 42926), (16256, 39377), (21463, 29824), (21632, 29591), (24232, 26416)]