61591980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1553}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 172829664

約数和(自身を除く): 111237684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1553, 1983, 2644, 3106, 3305, 3966, 4659, 6212, 6610, 7765, 7932, 9318, 9915, 13220, 15530, 18636, 19830, 23295, 31060, 39660, 46590, 93180, 1026533, 2053066, 3079599, 4106132, 5132665, 6159198, 10265330, 12318396, 15397995, 20530660, 30795990, 61591980]

約数ペア:

[(1, 61591980), (2, 30795990), (3, 20530660), (4, 15397995), (5, 12318396), (6, 10265330), (10, 6159198), (12, 5132665), (15, 4106132), (20, 3079599), (30, 2053066), (60, 1026533), (661, 93180), (1322, 46590), (1553, 39660), (1983, 31060), (2644, 23295), (3106, 19830), (3305, 18636), (3966, 15530), (4659, 13220), (6212, 9915), (6610, 9318), (7765, 7932)]