1966380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2546

約数の個数: 48

約数和(自身を含む): 5931744

約数和(自身を除く): 3965364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2521, 5042, 7563, 10084, 12605, 15126, 25210, 30252, 32773, 37815, 50420, 65546, 75630, 98319, 131092, 151260, 163865, 196638, 327730, 393276, 491595, 655460, 983190, 1966380]

約数ペア:

[(1, 1966380), (2, 983190), (3, 655460), (4, 491595), (5, 393276), (6, 327730), (10, 196638), (12, 163865), (13, 151260), (15, 131092), (20, 98319), (26, 75630), (30, 65546), (39, 50420), (52, 37815), (60, 32773), (65, 30252), (78, 25210), (130, 15126), (156, 12605), (195, 10084), (260, 7563), (390, 5042), (780, 2521)]