991345920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4871}}^1$

素因数の和:4948

約数の個数: 144

約数和(自身を含む): 3226511232

約数和(自身を除く): 2235165312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 256, 265, 318, 320, 384, 424, 480, 530, 636, 640, 768, 795, 848, 960, 1060, 1272, 1280, 1590, 1696, 1920, 2120, 2544, 3180, 3392, 3840, 4240, 4871, 5088, 6360, 6784, 8480, 9742, 10176, 12720, 13568, 14613, 16960, 19484, 20352, 24355, 25440, 29226, 33920, 38968, 40704, 48710, 50880, 58452, 67840, 73065, 77936, 97420, 101760, 116904, 146130, 155872, 194840, 203520, 233808, 258163, 292260, 311744, 389680, 467616, 516326, 584520, 623488, 774489, 779360, 935232, 1032652, 1169040, 1246976, 1290815, 1548978, 1558720, 1870464, 2065304, 2338080, 2581630, 3097956, 3117440, 3740928, 3872445, 4130608, 4676160, 5163260, 6195912, 6234880, 7744890, 8261216, 9352320, 10326520, 12391824, 15489780, 16522432, 18704640, 20653040, 24783648, 30979560, 33044864, 41306080, 49567296, 61959120, 66089728, 82612160, 99134592, 123918240, 165224320, 198269184, 247836480, 330448640, 495672960, 991345920]

約数ペア:

[(1, 991345920), (2, 495672960), (3, 330448640), (4, 247836480), (5, 198269184), (6, 165224320), (8, 123918240), (10, 99134592), (12, 82612160), (15, 66089728), (16, 61959120), (20, 49567296), (24, 41306080), (30, 33044864), (32, 30979560), (40, 24783648), (48, 20653040), (53, 18704640), (60, 16522432), (64, 15489780), (80, 12391824), (96, 10326520), (106, 9352320), (120, 8261216), (128, 7744890), (159, 6234880), (160, 6195912), (192, 5163260), (212, 4676160), (240, 4130608), (256, 3872445), (265, 3740928), (318, 3117440), (320, 3097956), (384, 2581630), (424, 2338080), (480, 2065304), (530, 1870464), (636, 1558720), (640, 1548978), (768, 1290815), (795, 1246976), (848, 1169040), (960, 1032652), (1060, 935232), (1272, 779360), (1280, 774489), (1590, 623488), (1696, 584520), (1920, 516326), (2120, 467616), (2544, 389680), (3180, 311744), (3392, 292260), (3840, 258163), (4240, 233808), (4871, 203520), (5088, 194840), (6360, 155872), (6784, 146130), (8480, 116904), (9742, 101760), (10176, 97420), (12720, 77936), (13568, 73065), (14613, 67840), (16960, 58452), (19484, 50880), (20352, 48710), (24355, 40704), (25440, 38968), (29226, 33920)]