80716980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 235033344

約数和(自身を除く): 154316364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 103, 111, 148, 185, 206, 222, 309, 353, 370, 412, 444, 515, 555, 618, 706, 740, 1030, 1059, 1110, 1236, 1412, 1545, 1765, 2060, 2118, 2220, 3090, 3530, 3811, 4236, 5295, 6180, 7060, 7622, 10590, 11433, 13061, 15244, 19055, 21180, 22866, 26122, 36359, 38110, 39183, 45732, 52244, 57165, 65305, 72718, 76220, 78366, 109077, 114330, 130610, 145436, 156732, 181795, 195915, 218154, 228660, 261220, 363590, 391830, 436308, 545385, 727180, 783660, 1090770, 1345283, 2181540, 2690566, 4035849, 5381132, 6726415, 8071698, 13452830, 16143396, 20179245, 26905660, 40358490, 80716980]

約数ペア:

[(1, 80716980), (2, 40358490), (3, 26905660), (4, 20179245), (5, 16143396), (6, 13452830), (10, 8071698), (12, 6726415), (15, 5381132), (20, 4035849), (30, 2690566), (37, 2181540), (60, 1345283), (74, 1090770), (103, 783660), (111, 727180), (148, 545385), (185, 436308), (206, 391830), (222, 363590), (309, 261220), (353, 228660), (370, 218154), (412, 195915), (444, 181795), (515, 156732), (555, 145436), (618, 130610), (706, 114330), (740, 109077), (1030, 78366), (1059, 76220), (1110, 72718), (1236, 65305), (1412, 57165), (1545, 52244), (1765, 45732), (2060, 39183), (2118, 38110), (2220, 36359), (3090, 26122), (3530, 22866), (3811, 21180), (4236, 19055), (5295, 15244), (6180, 13061), (7060, 11433), (7622, 10590)]