1805432820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{20047}}^1$

素因数の和:20157

約数の個数: 96

約数和(自身を含む): 5388902400

約数和(自身を除く): 3583469580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 79, 95, 114, 158, 190, 228, 237, 285, 316, 380, 395, 474, 570, 790, 948, 1140, 1185, 1501, 1580, 2370, 3002, 4503, 4740, 6004, 7505, 9006, 15010, 18012, 20047, 22515, 30020, 40094, 45030, 60141, 80188, 90060, 100235, 120282, 200470, 240564, 300705, 380893, 400940, 601410, 761786, 1142679, 1202820, 1523572, 1583713, 1904465, 2285358, 3167426, 3808930, 4570716, 4751139, 5713395, 6334852, 7617860, 7918565, 9502278, 11426790, 15837130, 19004556, 22853580, 23755695, 30090547, 31674260, 47511390, 60181094, 90271641, 95022780, 120362188, 150452735, 180543282, 300905470, 361086564, 451358205, 601810940, 902716410, 1805432820]

約数ペア:

[(1, 1805432820), (2, 902716410), (3, 601810940), (4, 451358205), (5, 361086564), (6, 300905470), (10, 180543282), (12, 150452735), (15, 120362188), (19, 95022780), (20, 90271641), (30, 60181094), (38, 47511390), (57, 31674260), (60, 30090547), (76, 23755695), (79, 22853580), (95, 19004556), (114, 15837130), (158, 11426790), (190, 9502278), (228, 7918565), (237, 7617860), (285, 6334852), (316, 5713395), (380, 4751139), (395, 4570716), (474, 3808930), (570, 3167426), (790, 2285358), (948, 1904465), (1140, 1583713), (1185, 1523572), (1501, 1202820), (1580, 1142679), (2370, 761786), (3002, 601410), (4503, 400940), (4740, 380893), (6004, 300705), (7505, 240564), (9006, 200470), (15010, 120282), (18012, 100235), (20047, 90060), (22515, 80188), (30020, 60141), (40094, 45030)]