80807220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1316

約数の個数: 144

約数和(自身を含む): 273960960

約数和(自身を除く): 193153740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1279, 1404, 1620, 1755, 2106, 2340, 2430, 2558, 3159, 3510, 3837, 4212, 4860, 5116, 5265, 6318, 6395, 7020, 7674, 10530, 11511, 12636, 12790, 15348, 15795, 16627, 19185, 21060, 23022, 25580, 31590, 33254, 34533, 38370, 46044, 49881, 57555, 63180, 66508, 69066, 76740, 83135, 99762, 103599, 115110, 138132, 149643, 166270, 172665, 199524, 207198, 230220, 249405, 299286, 310797, 332540, 345330, 414396, 448929, 498810, 517995, 598572, 621594, 690660, 748215, 897858, 997620, 1035990, 1243188, 1346787, 1496430, 1553985, 1795716, 2071980, 2244645, 2693574, 2992860, 3107970, 4040361, 4489290, 5387148, 6215940, 6733935, 8080722, 8978580, 13467870, 16161444, 20201805, 26935740, 40403610, 80807220]

約数ペア:

[(1, 80807220), (2, 40403610), (3, 26935740), (4, 20201805), (5, 16161444), (6, 13467870), (9, 8978580), (10, 8080722), (12, 6733935), (13, 6215940), (15, 5387148), (18, 4489290), (20, 4040361), (26, 3107970), (27, 2992860), (30, 2693574), (36, 2244645), (39, 2071980), (45, 1795716), (52, 1553985), (54, 1496430), (60, 1346787), (65, 1243188), (78, 1035990), (81, 997620), (90, 897858), (108, 748215), (117, 690660), (130, 621594), (135, 598572), (156, 517995), (162, 498810), (180, 448929), (195, 414396), (234, 345330), (243, 332540), (260, 310797), (270, 299286), (324, 249405), (351, 230220), (390, 207198), (405, 199524), (468, 172665), (486, 166270), (540, 149643), (585, 138132), (702, 115110), (780, 103599), (810, 99762), (972, 83135), (1053, 76740), (1170, 69066), (1215, 66508), (1279, 63180), (1404, 57555), (1620, 49881), (1755, 46044), (2106, 38370), (2340, 34533), (2430, 33254), (2558, 31590), (3159, 25580), (3510, 23022), (3837, 21060), (4212, 19185), (4860, 16627), (5116, 15795), (5265, 15348), (6318, 12790), (6395, 12636), (7020, 11511), (7674, 10530)]