72873320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 177523920

約数和(自身を除く): 104650600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 353, 397, 520, 706, 794, 1412, 1588, 1765, 1985, 2824, 3176, 3530, 3970, 4589, 5161, 7060, 7940, 9178, 10322, 14120, 15880, 18356, 20644, 22945, 25805, 36712, 41288, 45890, 51610, 91780, 103220, 140141, 183560, 206440, 280282, 560564, 700705, 1121128, 1401410, 1821833, 2802820, 3643666, 5605640, 7287332, 9109165, 14574664, 18218330, 36436660, 72873320]

約数ペア:

[(1, 72873320), (2, 36436660), (4, 18218330), (5, 14574664), (8, 9109165), (10, 7287332), (13, 5605640), (20, 3643666), (26, 2802820), (40, 1821833), (52, 1401410), (65, 1121128), (104, 700705), (130, 560564), (260, 280282), (353, 206440), (397, 183560), (520, 140141), (706, 103220), (794, 91780), (1412, 51610), (1588, 45890), (1765, 41288), (1985, 36712), (2824, 25805), (3176, 22945), (3530, 20644), (3970, 18356), (4589, 15880), (5161, 14120), (7060, 10322), (7940, 9178)]