19958920920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:1162

約数の個数: 192

約数和(自身を含む): 65378664000

約数和(自身を除く): 45419743080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 359, 360, 389, 397, 718, 778, 794, 1077, 1167, 1191, 1436, 1556, 1588, 1795, 1945, 1985, 2154, 2334, 2382, 2872, 3112, 3176, 3231, 3501, 3573, 3590, 3890, 3970, 4308, 4668, 4764, 5385, 5835, 5955, 6462, 7002, 7146, 7180, 7780, 7940, 8616, 9336, 9528, 10770, 11670, 11910, 12924, 14004, 14292, 14360, 15560, 15880, 16155, 17505, 17865, 21540, 23340, 23820, 25848, 28008, 28584, 32310, 35010, 35730, 43080, 46680, 47640, 64620, 70020, 71460, 129240, 139651, 140040, 142523, 142920, 154433, 279302, 285046, 308866, 418953, 427569, 463299, 558604, 570092, 617732, 698255, 712615, 772165, 837906, 855138, 926598, 1117208, 1140184, 1235464, 1256859, 1282707, 1389897, 1396510, 1425230, 1544330, 1675812, 1710276, 1853196, 2094765, 2137845, 2316495, 2513718, 2565414, 2779794, 2793020, 2850460, 3088660, 3351624, 3420552, 3706392, 4189530, 4275690, 4632990, 5027436, 5130828, 5559588, 5586040, 5700920, 6177320, 6284295, 6413535, 6949485, 8379060, 8551380, 9265980, 10054872, 10261656, 11119176, 12568590, 12827070, 13898970, 16758120, 17102760, 18531960, 25137180, 25654140, 27797940, 50274360, 51308280, 55441447, 55595880, 110882894, 166324341, 221765788, 277207235, 332648682, 443531576, 498973023, 554414470, 665297364, 831621705, 997946046, 1108828940, 1330594728, 1663243410, 1995892092, 2217657880, 2494865115, 3326486820, 3991784184, 4989730230, 6652973640, 9979460460, 19958920920]

約数ペア:

[(1, 19958920920), (2, 9979460460), (3, 6652973640), (4, 4989730230), (5, 3991784184), (6, 3326486820), (8, 2494865115), (9, 2217657880), (10, 1995892092), (12, 1663243410), (15, 1330594728), (18, 1108828940), (20, 997946046), (24, 831621705), (30, 665297364), (36, 554414470), (40, 498973023), (45, 443531576), (60, 332648682), (72, 277207235), (90, 221765788), (120, 166324341), (180, 110882894), (359, 55595880), (360, 55441447), (389, 51308280), (397, 50274360), (718, 27797940), (778, 25654140), (794, 25137180), (1077, 18531960), (1167, 17102760), (1191, 16758120), (1436, 13898970), (1556, 12827070), (1588, 12568590), (1795, 11119176), (1945, 10261656), (1985, 10054872), (2154, 9265980), (2334, 8551380), (2382, 8379060), (2872, 6949485), (3112, 6413535), (3176, 6284295), (3231, 6177320), (3501, 5700920), (3573, 5586040), (3590, 5559588), (3890, 5130828), (3970, 5027436), (4308, 4632990), (4668, 4275690), (4764, 4189530), (5385, 3706392), (5835, 3420552), (5955, 3351624), (6462, 3088660), (7002, 2850460), (7146, 2793020), (7180, 2779794), (7780, 2565414), (7940, 2513718), (8616, 2316495), (9336, 2137845), (9528, 2094765), (10770, 1853196), (11670, 1710276), (11910, 1675812), (12924, 1544330), (14004, 1425230), (14292, 1396510), (14360, 1389897), (15560, 1282707), (15880, 1256859), (16155, 1235464), (17505, 1140184), (17865, 1117208), (21540, 926598), (23340, 855138), (23820, 837906), (25848, 772165), (28008, 712615), (28584, 698255), (32310, 617732), (35010, 570092), (35730, 558604), (43080, 463299), (46680, 427569), (47640, 418953), (64620, 308866), (70020, 285046), (71460, 279302), (129240, 154433), (139651, 142920), (140040, 142523)]