71190880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{463}}^1$

素因数の和:540

約数の個数: 72

約数和(自身を含む): 174164256

約数和(自身を除く): 102973376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 463, 496, 620, 926, 961, 992, 1240, 1852, 1922, 2315, 2480, 3704, 3844, 4630, 4805, 4960, 7408, 7688, 9260, 9610, 14353, 14816, 15376, 18520, 19220, 28706, 30752, 37040, 38440, 57412, 71765, 74080, 76880, 114824, 143530, 153760, 229648, 287060, 444943, 459296, 574120, 889886, 1148240, 1779772, 2224715, 2296480, 3559544, 4449430, 7119088, 8898860, 14238176, 17797720, 35595440, 71190880]

約数ペア:

[(1, 71190880), (2, 35595440), (4, 17797720), (5, 14238176), (8, 8898860), (10, 7119088), (16, 4449430), (20, 3559544), (31, 2296480), (32, 2224715), (40, 1779772), (62, 1148240), (80, 889886), (124, 574120), (155, 459296), (160, 444943), (248, 287060), (310, 229648), (463, 153760), (496, 143530), (620, 114824), (926, 76880), (961, 74080), (992, 71765), (1240, 57412), (1852, 38440), (1922, 37040), (2315, 30752), (2480, 28706), (3704, 19220), (3844, 18520), (4630, 15376), (4805, 14816), (4960, 14353), (7408, 9610), (7688, 9260)]