81427380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:945

約数の個数: 96

約数和(自身を含む): 239885184

約数和(自身を除く): 158457804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 43, 60, 74, 86, 111, 129, 148, 172, 185, 215, 222, 258, 370, 430, 444, 516, 555, 645, 740, 853, 860, 1110, 1290, 1591, 1706, 2220, 2559, 2580, 3182, 3412, 4265, 4773, 5118, 6364, 7955, 8530, 9546, 10236, 12795, 15910, 17060, 19092, 23865, 25590, 31561, 31820, 36679, 47730, 51180, 63122, 73358, 94683, 95460, 110037, 126244, 146716, 157805, 183395, 189366, 220074, 315610, 366790, 378732, 440148, 473415, 550185, 631220, 733580, 946830, 1100370, 1357123, 1893660, 2200740, 2714246, 4071369, 5428492, 6785615, 8142738, 13571230, 16285476, 20356845, 27142460, 40713690, 81427380]

約数ペア:

[(1, 81427380), (2, 40713690), (3, 27142460), (4, 20356845), (5, 16285476), (6, 13571230), (10, 8142738), (12, 6785615), (15, 5428492), (20, 4071369), (30, 2714246), (37, 2200740), (43, 1893660), (60, 1357123), (74, 1100370), (86, 946830), (111, 733580), (129, 631220), (148, 550185), (172, 473415), (185, 440148), (215, 378732), (222, 366790), (258, 315610), (370, 220074), (430, 189366), (444, 183395), (516, 157805), (555, 146716), (645, 126244), (740, 110037), (853, 95460), (860, 94683), (1110, 73358), (1290, 63122), (1591, 51180), (1706, 47730), (2220, 36679), (2559, 31820), (2580, 31561), (3182, 25590), (3412, 23865), (4265, 19092), (4773, 17060), (5118, 15910), (6364, 12795), (7955, 10236), (8530, 9546)]