256518480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22741}}^1$

素因数の和:22804

約数の個数: 80

約数和(自身を含む): 812162304

約数和(自身を除く): 555643824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 22741, 45482, 68223, 90964, 113705, 136446, 181928, 227410, 272892, 341115, 363856, 454820, 545784, 682230, 909640, 1068827, 1091568, 1364460, 1819280, 2137654, 2728920, 3206481, 4275308, 5344135, 5457840, 6412962, 8550616, 10688270, 12825924, 16032405, 17101232, 21376540, 25651848, 32064810, 42753080, 51303696, 64129620, 85506160, 128259240, 256518480]

約数ペア:

[(1, 256518480), (2, 128259240), (3, 85506160), (4, 64129620), (5, 51303696), (6, 42753080), (8, 32064810), (10, 25651848), (12, 21376540), (15, 17101232), (16, 16032405), (20, 12825924), (24, 10688270), (30, 8550616), (40, 6412962), (47, 5457840), (48, 5344135), (60, 4275308), (80, 3206481), (94, 2728920), (120, 2137654), (141, 1819280), (188, 1364460), (235, 1091568), (240, 1068827), (282, 909640), (376, 682230), (470, 545784), (564, 454820), (705, 363856), (752, 341115), (940, 272892), (1128, 227410), (1410, 181928), (1880, 136446), (2256, 113705), (2820, 90964), (3760, 68223), (5640, 45482), (11280, 22741)]