19538280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 66240000

約数和(自身を除く): 46701720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 229, 237, 270, 316, 360, 395, 458, 474, 540, 632, 687, 711, 790, 916, 948, 1080, 1145, 1185, 1374, 1422, 1580, 1832, 1896, 2061, 2133, 2290, 2370, 2748, 2844, 3160, 3435, 3555, 4122, 4266, 4580, 4740, 5496, 5688, 6183, 6870, 7110, 8244, 8532, 9160, 9480, 10305, 10665, 12366, 13740, 14220, 16488, 17064, 18091, 20610, 21330, 24732, 27480, 28440, 30915, 36182, 41220, 42660, 49464, 54273, 61830, 72364, 82440, 85320, 90455, 108546, 123660, 144728, 162819, 180910, 217092, 247320, 271365, 325638, 361820, 434184, 488457, 542730, 651276, 723640, 814095, 976914, 1085460, 1302552, 1628190, 1953828, 2170920, 2442285, 3256380, 3907656, 4884570, 6512760, 9769140, 19538280]

約数ペア:

[(1, 19538280), (2, 9769140), (3, 6512760), (4, 4884570), (5, 3907656), (6, 3256380), (8, 2442285), (9, 2170920), (10, 1953828), (12, 1628190), (15, 1302552), (18, 1085460), (20, 976914), (24, 814095), (27, 723640), (30, 651276), (36, 542730), (40, 488457), (45, 434184), (54, 361820), (60, 325638), (72, 271365), (79, 247320), (90, 217092), (108, 180910), (120, 162819), (135, 144728), (158, 123660), (180, 108546), (216, 90455), (229, 85320), (237, 82440), (270, 72364), (316, 61830), (360, 54273), (395, 49464), (458, 42660), (474, 41220), (540, 36182), (632, 30915), (687, 28440), (711, 27480), (790, 24732), (916, 21330), (948, 20610), (1080, 18091), (1145, 17064), (1185, 16488), (1374, 14220), (1422, 13740), (1580, 12366), (1832, 10665), (1896, 10305), (2061, 9480), (2133, 9160), (2290, 8532), (2370, 8244), (2748, 7110), (2844, 6870), (3160, 6183), (3435, 5688), (3555, 5496), (4122, 4740), (4266, 4580)]