27197820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 90810720

約数和(自身を除く): 63612900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 65, 78, 90, 117, 118, 130, 156, 177, 180, 195, 197, 234, 236, 260, 295, 354, 390, 394, 468, 531, 585, 590, 591, 708, 767, 780, 788, 885, 985, 1062, 1170, 1180, 1182, 1534, 1770, 1773, 1970, 2124, 2301, 2340, 2364, 2561, 2655, 2955, 3068, 3540, 3546, 3835, 3940, 4602, 5122, 5310, 5910, 6903, 7092, 7670, 7683, 8865, 9204, 10244, 10620, 11505, 11623, 11820, 12805, 13806, 15340, 15366, 17730, 23010, 23049, 23246, 25610, 27612, 30732, 34515, 34869, 35460, 38415, 46020, 46098, 46492, 51220, 58115, 69030, 69738, 76830, 92196, 104607, 115245, 116230, 138060, 139476, 151099, 153660, 174345, 209214, 230490, 232460, 302198, 348690, 418428, 453297, 460980, 523035, 604396, 697380, 755495, 906594, 1046070, 1359891, 1510990, 1813188, 2092140, 2266485, 2719782, 3021980, 4532970, 5439564, 6799455, 9065940, 13598910, 27197820]

約数ペア:

[(1, 27197820), (2, 13598910), (3, 9065940), (4, 6799455), (5, 5439564), (6, 4532970), (9, 3021980), (10, 2719782), (12, 2266485), (13, 2092140), (15, 1813188), (18, 1510990), (20, 1359891), (26, 1046070), (30, 906594), (36, 755495), (39, 697380), (45, 604396), (52, 523035), (59, 460980), (60, 453297), (65, 418428), (78, 348690), (90, 302198), (117, 232460), (118, 230490), (130, 209214), (156, 174345), (177, 153660), (180, 151099), (195, 139476), (197, 138060), (234, 116230), (236, 115245), (260, 104607), (295, 92196), (354, 76830), (390, 69738), (394, 69030), (468, 58115), (531, 51220), (585, 46492), (590, 46098), (591, 46020), (708, 38415), (767, 35460), (780, 34869), (788, 34515), (885, 30732), (985, 27612), (1062, 25610), (1170, 23246), (1180, 23049), (1182, 23010), (1534, 17730), (1770, 15366), (1773, 15340), (1970, 13806), (2124, 12805), (2301, 11820), (2340, 11623), (2364, 11505), (2561, 10620), (2655, 10244), (2955, 9204), (3068, 8865), (3540, 7683), (3546, 7670), (3835, 7092), (3940, 6903), (4602, 5910), (5122, 5310)]