16658820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4871}}^1$

素因数の和:4905

約数の個数: 72

約数和(自身を含む): 53202240

約数和(自身を除く): 36543420

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, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 4871, 9742, 14613, 19484, 24355, 29226, 43839, 48710, 58452, 73065, 87678, 92549, 97420, 146130, 175356, 185098, 219195, 277647, 292260, 370196, 438390, 462745, 555294, 832941, 876780, 925490, 1110588, 1388235, 1665882, 1850980, 2776470, 3331764, 4164705, 5552940, 8329410, 16658820]

約数ペア:

[(1, 16658820), (2, 8329410), (3, 5552940), (4, 4164705), (5, 3331764), (6, 2776470), (9, 1850980), (10, 1665882), (12, 1388235), (15, 1110588), (18, 925490), (19, 876780), (20, 832941), (30, 555294), (36, 462745), (38, 438390), (45, 370196), (57, 292260), (60, 277647), (76, 219195), (90, 185098), (95, 175356), (114, 146130), (171, 97420), (180, 92549), (190, 87678), (228, 73065), (285, 58452), (342, 48710), (380, 43839), (570, 29226), (684, 24355), (855, 19484), (1140, 14613), (1710, 9742), (3420, 4871)]