247637040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{661}}^1$

素因数の和:907

約数の個数: 160

約数和(自身を含む): 882610176

約数和(自身を除く): 634973136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 223, 240, 280, 336, 420, 446, 560, 661, 669, 840, 892, 1115, 1322, 1338, 1561, 1680, 1784, 1983, 2230, 2644, 2676, 3122, 3305, 3345, 3568, 3966, 4460, 4627, 4683, 5288, 5352, 6244, 6610, 6690, 7805, 7932, 8920, 9254, 9366, 9915, 10576, 10704, 12488, 13220, 13380, 13881, 15610, 15864, 17840, 18508, 18732, 19830, 23135, 23415, 24976, 26440, 26760, 27762, 31220, 31728, 37016, 37464, 39660, 46270, 46830, 52880, 53520, 55524, 62440, 69405, 74032, 74928, 79320, 92540, 93660, 111048, 124880, 138810, 147403, 158640, 185080, 187320, 222096, 277620, 294806, 370160, 374640, 442209, 555240, 589612, 737015, 884418, 1031821, 1110480, 1179224, 1474030, 1768836, 2063642, 2211045, 2358448, 2948060, 3095463, 3537672, 4127284, 4422090, 5159105, 5896120, 6190926, 7075344, 8254568, 8844180, 10318210, 11792240, 12381852, 15477315, 16509136, 17688360, 20636420, 24763704, 30954630, 35376720, 41272840, 49527408, 61909260, 82545680, 123818520, 247637040]

約数ペア:

[(1, 247637040), (2, 123818520), (3, 82545680), (4, 61909260), (5, 49527408), (6, 41272840), (7, 35376720), (8, 30954630), (10, 24763704), (12, 20636420), (14, 17688360), (15, 16509136), (16, 15477315), (20, 12381852), (21, 11792240), (24, 10318210), (28, 8844180), (30, 8254568), (35, 7075344), (40, 6190926), (42, 5896120), (48, 5159105), (56, 4422090), (60, 4127284), (70, 3537672), (80, 3095463), (84, 2948060), (105, 2358448), (112, 2211045), (120, 2063642), (140, 1768836), (168, 1474030), (210, 1179224), (223, 1110480), (240, 1031821), (280, 884418), (336, 737015), (420, 589612), (446, 555240), (560, 442209), (661, 374640), (669, 370160), (840, 294806), (892, 277620), (1115, 222096), (1322, 187320), (1338, 185080), (1561, 158640), (1680, 147403), (1784, 138810), (1983, 124880), (2230, 111048), (2644, 93660), (2676, 92540), (3122, 79320), (3305, 74928), (3345, 74032), (3568, 69405), (3966, 62440), (4460, 55524), (4627, 53520), (4683, 52880), (5288, 46830), (5352, 46270), (6244, 39660), (6610, 37464), (6690, 37016), (7805, 31728), (7932, 31220), (8920, 27762), (9254, 26760), (9366, 26440), (9915, 24976), (10576, 23415), (10704, 23135), (12488, 19830), (13220, 18732), (13380, 18508), (13881, 17840), (15610, 15864)]