66507520

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 160707456

約数和(自身を除く): 94199936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 233, 256, 320, 446, 466, 640, 892, 932, 1115, 1165, 1280, 1784, 1864, 2230, 2330, 3568, 3728, 4460, 4660, 7136, 7456, 8920, 9320, 14272, 14912, 17840, 18640, 28544, 29824, 35680, 37280, 51959, 57088, 59648, 71360, 74560, 103918, 142720, 149120, 207836, 259795, 285440, 298240, 415672, 519590, 831344, 1039180, 1662688, 2078360, 3325376, 4156720, 6650752, 8313440, 13301504, 16626880, 33253760, 66507520]

約数ペア:

[(1, 66507520), (2, 33253760), (4, 16626880), (5, 13301504), (8, 8313440), (10, 6650752), (16, 4156720), (20, 3325376), (32, 2078360), (40, 1662688), (64, 1039180), (80, 831344), (128, 519590), (160, 415672), (223, 298240), (233, 285440), (256, 259795), (320, 207836), (446, 149120), (466, 142720), (640, 103918), (892, 74560), (932, 71360), (1115, 59648), (1165, 57088), (1280, 51959), (1784, 37280), (1864, 35680), (2230, 29824), (2330, 28544), (3568, 18640), (3728, 17840), (4460, 14912), (4660, 14272), (7136, 9320), (7456, 8920)]