398235120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4057}}^1$

素因数の和:4482

約数の個数: 80

約数和(自身を含む): 1237852320

約数和(自身を除く): 839617200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 409, 818, 1227, 1636, 2045, 2454, 3272, 4057, 4090, 4908, 6135, 6544, 8114, 8180, 9816, 12171, 12270, 16228, 16360, 19632, 20285, 24342, 24540, 32456, 32720, 40570, 48684, 49080, 60855, 64912, 81140, 97368, 98160, 121710, 162280, 194736, 243420, 324560, 486840, 973680, 1659313, 3318626, 4977939, 6637252, 8296565, 9955878, 13274504, 16593130, 19911756, 24889695, 26549008, 33186260, 39823512, 49779390, 66372520, 79647024, 99558780, 132745040, 199117560, 398235120]

約数ペア:

[(1, 398235120), (2, 199117560), (3, 132745040), (4, 99558780), (5, 79647024), (6, 66372520), (8, 49779390), (10, 39823512), (12, 33186260), (15, 26549008), (16, 24889695), (20, 19911756), (24, 16593130), (30, 13274504), (40, 9955878), (48, 8296565), (60, 6637252), (80, 4977939), (120, 3318626), (240, 1659313), (409, 973680), (818, 486840), (1227, 324560), (1636, 243420), (2045, 194736), (2454, 162280), (3272, 121710), (4057, 98160), (4090, 97368), (4908, 81140), (6135, 64912), (6544, 60855), (8114, 49080), (8180, 48684), (9816, 40570), (12171, 32720), (12270, 32456), (16228, 24540), (16360, 24342), (19632, 20285)]