78451920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{108961}}^1$

素因数の和:108980

約数の個数: 60

約数和(自身を含む): 263470116

約数和(自身を除く): 185018196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 108961, 217922, 326883, 435844, 544805, 653766, 871688, 980649, 1089610, 1307532, 1634415, 1743376, 1961298, 2179220, 2615064, 3268830, 3922596, 4358440, 4903245, 5230128, 6537660, 7845192, 8716880, 9806490, 13075320, 15690384, 19612980, 26150640, 39225960, 78451920]

約数ペア:

[(1, 78451920), (2, 39225960), (3, 26150640), (4, 19612980), (5, 15690384), (6, 13075320), (8, 9806490), (9, 8716880), (10, 7845192), (12, 6537660), (15, 5230128), (16, 4903245), (18, 4358440), (20, 3922596), (24, 3268830), (30, 2615064), (36, 2179220), (40, 1961298), (45, 1743376), (48, 1634415), (60, 1307532), (72, 1089610), (80, 980649), (90, 871688), (120, 653766), (144, 544805), (180, 435844), (240, 326883), (360, 217922), (720, 108961)]