73111280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 186738048

約数和(自身を除く): 113626768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 251, 331, 440, 502, 662, 880, 1004, 1255, 1324, 1655, 2008, 2510, 2648, 2761, 3310, 3641, 4016, 5020, 5296, 5522, 6620, 7282, 10040, 11044, 13240, 13805, 14564, 18205, 20080, 22088, 26480, 27610, 29128, 36410, 44176, 55220, 58256, 72820, 83081, 110440, 145640, 166162, 220880, 291280, 332324, 415405, 664648, 830810, 913891, 1329296, 1661620, 1827782, 3323240, 3655564, 4569455, 6646480, 7311128, 9138910, 14622256, 18277820, 36555640, 73111280]

約数ペア:

[(1, 73111280), (2, 36555640), (4, 18277820), (5, 14622256), (8, 9138910), (10, 7311128), (11, 6646480), (16, 4569455), (20, 3655564), (22, 3323240), (40, 1827782), (44, 1661620), (55, 1329296), (80, 913891), (88, 830810), (110, 664648), (176, 415405), (220, 332324), (251, 291280), (331, 220880), (440, 166162), (502, 145640), (662, 110440), (880, 83081), (1004, 72820), (1255, 58256), (1324, 55220), (1655, 44176), (2008, 36410), (2510, 29128), (2648, 27610), (2761, 26480), (3310, 22088), (3641, 20080), (4016, 18205), (5020, 14564), (5296, 13805), (5522, 13240), (6620, 11044), (7282, 10040)]