392640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{409}}^1$

素因数の和:429

約数の個数: 56

約数和(自身を含む): 1249680

約数和(自身を除く): 857040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 409, 480, 818, 960, 1227, 1636, 2045, 2454, 3272, 4090, 4908, 6135, 6544, 8180, 9816, 12270, 13088, 16360, 19632, 24540, 26176, 32720, 39264, 49080, 65440, 78528, 98160, 130880, 196320, 392640]

約数ペア:

[(1, 392640), (2, 196320), (3, 130880), (4, 98160), (5, 78528), (6, 65440), (8, 49080), (10, 39264), (12, 32720), (15, 26176), (16, 24540), (20, 19632), (24, 16360), (30, 13088), (32, 12270), (40, 9816), (48, 8180), (60, 6544), (64, 6135), (80, 4908), (96, 4090), (120, 3272), (160, 2454), (192, 2045), (240, 1636), (320, 1227), (409, 960), (480, 818)]