81834240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 265196736

約数和(自身を除く): 183362496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 160, 192, 202, 211, 240, 256, 303, 320, 384, 404, 422, 480, 505, 606, 633, 640, 768, 808, 844, 960, 1010, 1055, 1212, 1266, 1280, 1515, 1616, 1688, 1920, 2020, 2110, 2424, 2532, 3030, 3165, 3232, 3376, 3840, 4040, 4220, 4848, 5064, 6060, 6330, 6464, 6752, 8080, 8440, 9696, 10128, 12120, 12660, 12928, 13504, 16160, 16880, 19392, 20256, 21311, 24240, 25320, 25856, 27008, 32320, 33760, 38784, 40512, 42622, 48480, 50640, 54016, 63933, 64640, 67520, 77568, 81024, 85244, 96960, 101280, 106555, 127866, 129280, 135040, 162048, 170488, 193920, 202560, 213110, 255732, 270080, 319665, 340976, 387840, 405120, 426220, 511464, 639330, 681952, 810240, 852440, 1022928, 1278660, 1363904, 1704880, 2045856, 2557320, 2727808, 3409760, 4091712, 5114640, 5455616, 6819520, 8183424, 10229280, 13639040, 16366848, 20458560, 27278080, 40917120, 81834240]

約数ペア:

[(1, 81834240), (2, 40917120), (3, 27278080), (4, 20458560), (5, 16366848), (6, 13639040), (8, 10229280), (10, 8183424), (12, 6819520), (15, 5455616), (16, 5114640), (20, 4091712), (24, 3409760), (30, 2727808), (32, 2557320), (40, 2045856), (48, 1704880), (60, 1363904), (64, 1278660), (80, 1022928), (96, 852440), (101, 810240), (120, 681952), (128, 639330), (160, 511464), (192, 426220), (202, 405120), (211, 387840), (240, 340976), (256, 319665), (303, 270080), (320, 255732), (384, 213110), (404, 202560), (422, 193920), (480, 170488), (505, 162048), (606, 135040), (633, 129280), (640, 127866), (768, 106555), (808, 101280), (844, 96960), (960, 85244), (1010, 81024), (1055, 77568), (1212, 67520), (1266, 64640), (1280, 63933), (1515, 54016), (1616, 50640), (1688, 48480), (1920, 42622), (2020, 40512), (2110, 38784), (2424, 33760), (2532, 32320), (3030, 27008), (3165, 25856), (3232, 25320), (3376, 24240), (3840, 21311), (4040, 20256), (4220, 19392), (4848, 16880), (5064, 16160), (6060, 13504), (6330, 12928), (6464, 12660), (6752, 12120), (8080, 10128), (8440, 9696)]