31770660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 100094400

約数和(自身を除く): 68323740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 31, 38, 57, 58, 60, 62, 76, 87, 93, 95, 114, 116, 124, 145, 155, 174, 186, 190, 228, 285, 290, 310, 348, 372, 380, 435, 465, 551, 570, 580, 589, 620, 870, 899, 930, 961, 1102, 1140, 1178, 1653, 1740, 1767, 1798, 1860, 1922, 2204, 2356, 2697, 2755, 2883, 2945, 3306, 3534, 3596, 3844, 4495, 4805, 5394, 5510, 5766, 5890, 6612, 7068, 8265, 8835, 8990, 9610, 10788, 11020, 11532, 11780, 13485, 14415, 16530, 17081, 17670, 17980, 18259, 19220, 26970, 27869, 28830, 33060, 34162, 35340, 36518, 51243, 53940, 54777, 55738, 57660, 68324, 73036, 83607, 85405, 91295, 102486, 109554, 111476, 139345, 167214, 170810, 182590, 204972, 219108, 256215, 273885, 278690, 334428, 341620, 365180, 418035, 512430, 529511, 547770, 557380, 836070, 1024860, 1059022, 1095540, 1588533, 1672140, 2118044, 2647555, 3177066, 5295110, 6354132, 7942665, 10590220, 15885330, 31770660]

約数ペア:

[(1, 31770660), (2, 15885330), (3, 10590220), (4, 7942665), (5, 6354132), (6, 5295110), (10, 3177066), (12, 2647555), (15, 2118044), (19, 1672140), (20, 1588533), (29, 1095540), (30, 1059022), (31, 1024860), (38, 836070), (57, 557380), (58, 547770), (60, 529511), (62, 512430), (76, 418035), (87, 365180), (93, 341620), (95, 334428), (114, 278690), (116, 273885), (124, 256215), (145, 219108), (155, 204972), (174, 182590), (186, 170810), (190, 167214), (228, 139345), (285, 111476), (290, 109554), (310, 102486), (348, 91295), (372, 85405), (380, 83607), (435, 73036), (465, 68324), (551, 57660), (570, 55738), (580, 54777), (589, 53940), (620, 51243), (870, 36518), (899, 35340), (930, 34162), (961, 33060), (1102, 28830), (1140, 27869), (1178, 26970), (1653, 19220), (1740, 18259), (1767, 17980), (1798, 17670), (1860, 17081), (1922, 16530), (2204, 14415), (2356, 13485), (2697, 11780), (2755, 11532), (2883, 11020), (2945, 10788), (3306, 9610), (3534, 8990), (3596, 8835), (3844, 8265), (4495, 7068), (4805, 6612), (5394, 5890), (5510, 5766)]