84721860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12721}}^1$

素因数の和:12773

約数の個数: 72

約数和(自身を含む): 263956056

約数和(自身を除く): 179234196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 12721, 25442, 38163, 50884, 63605, 76326, 114489, 127210, 152652, 190815, 228978, 254420, 381630, 457956, 470677, 572445, 763260, 941354, 1144890, 1412031, 1882708, 2289780, 2353385, 2824062, 4236093, 4706770, 5648124, 7060155, 8472186, 9413540, 14120310, 16944372, 21180465, 28240620, 42360930, 84721860]

約数ペア:

[(1, 84721860), (2, 42360930), (3, 28240620), (4, 21180465), (5, 16944372), (6, 14120310), (9, 9413540), (10, 8472186), (12, 7060155), (15, 5648124), (18, 4706770), (20, 4236093), (30, 2824062), (36, 2353385), (37, 2289780), (45, 1882708), (60, 1412031), (74, 1144890), (90, 941354), (111, 763260), (148, 572445), (180, 470677), (185, 457956), (222, 381630), (333, 254420), (370, 228978), (444, 190815), (555, 152652), (666, 127210), (740, 114489), (1110, 76326), (1332, 63605), (1665, 50884), (2220, 38163), (3330, 25442), (6660, 12721)]