291137280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{10831}}^1$

素因数の和:10862

約数の個数: 144

約数和(自身を含む): 1062749184

約数和(自身を除く): 771611904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 10831, 13440, 21662, 26880, 32493, 43324, 54155, 64986, 75817, 86648, 108310, 129972, 151634, 162465, 173296, 216620, 227451, 259944, 303268, 324930, 346592, 379085, 433240, 454902, 519888, 606536, 649860, 693184, 758170, 866480, 909804, 1039776, 1137255, 1213072, 1299720, 1386368, 1516340, 1732960, 1819608, 2079552, 2274510, 2426144, 2599440, 2772736, 3032680, 3465920, 3639216, 4159104, 4549020, 4852288, 5198880, 6065360, 6931840, 7278432, 8318208, 9098040, 9704576, 10397760, 12130720, 13863680, 14556864, 18196080, 19409152, 20795520, 24261440, 29113728, 36392160, 41591040, 48522880, 58227456, 72784320, 97045760, 145568640, 291137280]

約数ペア:

[(1, 291137280), (2, 145568640), (3, 97045760), (4, 72784320), (5, 58227456), (6, 48522880), (7, 41591040), (8, 36392160), (10, 29113728), (12, 24261440), (14, 20795520), (15, 19409152), (16, 18196080), (20, 14556864), (21, 13863680), (24, 12130720), (28, 10397760), (30, 9704576), (32, 9098040), (35, 8318208), (40, 7278432), (42, 6931840), (48, 6065360), (56, 5198880), (60, 4852288), (64, 4549020), (70, 4159104), (80, 3639216), (84, 3465920), (96, 3032680), (105, 2772736), (112, 2599440), (120, 2426144), (128, 2274510), (140, 2079552), (160, 1819608), (168, 1732960), (192, 1516340), (210, 1386368), (224, 1299720), (240, 1213072), (256, 1137255), (280, 1039776), (320, 909804), (336, 866480), (384, 758170), (420, 693184), (448, 649860), (480, 606536), (560, 519888), (640, 454902), (672, 433240), (768, 379085), (840, 346592), (896, 324930), (960, 303268), (1120, 259944), (1280, 227451), (1344, 216620), (1680, 173296), (1792, 162465), (1920, 151634), (2240, 129972), (2688, 108310), (3360, 86648), (3840, 75817), (4480, 64986), (5376, 54155), (6720, 43324), (8960, 32493), (10831, 26880), (13440, 21662)]