448020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 1441440

約数和(自身を除く): 993420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 131, 171, 180, 190, 228, 262, 285, 342, 380, 393, 524, 570, 655, 684, 786, 855, 1140, 1179, 1310, 1572, 1710, 1965, 2358, 2489, 2620, 3420, 3930, 4716, 4978, 5895, 7467, 7860, 9956, 11790, 12445, 14934, 22401, 23580, 24890, 29868, 37335, 44802, 49780, 74670, 89604, 112005, 149340, 224010, 448020]

約数ペア:

[(1, 448020), (2, 224010), (3, 149340), (4, 112005), (5, 89604), (6, 74670), (9, 49780), (10, 44802), (12, 37335), (15, 29868), (18, 24890), (19, 23580), (20, 22401), (30, 14934), (36, 12445), (38, 11790), (45, 9956), (57, 7860), (60, 7467), (76, 5895), (90, 4978), (95, 4716), (114, 3930), (131, 3420), (171, 2620), (180, 2489), (190, 2358), (228, 1965), (262, 1710), (285, 1572), (342, 1310), (380, 1179), (393, 1140), (524, 855), (570, 786), (655, 684)]