320291280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1877}}^1$

素因数の和:1978

約数の個数: 160

約数和(自身を含む): 1117785600

約数和(自身を除く): 797494320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 79, 80, 90, 108, 120, 135, 144, 158, 180, 216, 237, 240, 270, 316, 360, 395, 432, 474, 540, 632, 711, 720, 790, 948, 1080, 1185, 1264, 1422, 1580, 1877, 1896, 2133, 2160, 2370, 2844, 3160, 3555, 3754, 3792, 4266, 4740, 5631, 5688, 6320, 7110, 7508, 8532, 9385, 9480, 10665, 11262, 11376, 14220, 15016, 16893, 17064, 18770, 18960, 21330, 22524, 28155, 28440, 30032, 33786, 34128, 37540, 42660, 45048, 50679, 56310, 56880, 67572, 75080, 84465, 85320, 90096, 101358, 112620, 135144, 148283, 150160, 168930, 170640, 202716, 225240, 253395, 270288, 296566, 337860, 405432, 444849, 450480, 506790, 593132, 675720, 741415, 810864, 889698, 1013580, 1186264, 1334547, 1351440, 1482830, 1779396, 2027160, 2224245, 2372528, 2669094, 2965660, 3558792, 4003641, 4054320, 4448490, 5338188, 5931320, 6672735, 7117584, 8007282, 8896980, 10676376, 11862640, 13345470, 16014564, 17793960, 20018205, 21352752, 26690940, 32029128, 35587920, 40036410, 53381880, 64058256, 80072820, 106763760, 160145640, 320291280]

約数ペア:

[(1, 320291280), (2, 160145640), (3, 106763760), (4, 80072820), (5, 64058256), (6, 53381880), (8, 40036410), (9, 35587920), (10, 32029128), (12, 26690940), (15, 21352752), (16, 20018205), (18, 17793960), (20, 16014564), (24, 13345470), (27, 11862640), (30, 10676376), (36, 8896980), (40, 8007282), (45, 7117584), (48, 6672735), (54, 5931320), (60, 5338188), (72, 4448490), (79, 4054320), (80, 4003641), (90, 3558792), (108, 2965660), (120, 2669094), (135, 2372528), (144, 2224245), (158, 2027160), (180, 1779396), (216, 1482830), (237, 1351440), (240, 1334547), (270, 1186264), (316, 1013580), (360, 889698), (395, 810864), (432, 741415), (474, 675720), (540, 593132), (632, 506790), (711, 450480), (720, 444849), (790, 405432), (948, 337860), (1080, 296566), (1185, 270288), (1264, 253395), (1422, 225240), (1580, 202716), (1877, 170640), (1896, 168930), (2133, 150160), (2160, 148283), (2370, 135144), (2844, 112620), (3160, 101358), (3555, 90096), (3754, 85320), (3792, 84465), (4266, 75080), (4740, 67572), (5631, 56880), (5688, 56310), (6320, 50679), (7110, 45048), (7508, 42660), (8532, 37540), (9385, 34128), (9480, 33786), (10665, 30032), (11262, 28440), (11376, 28155), (14220, 22524), (15016, 21330), (16893, 18960), (17064, 18770)]