78645280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 229920768

約数和(自身を除く): 151275488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 43, 46, 56, 70, 71, 80, 86, 92, 112, 115, 140, 142, 160, 161, 172, 184, 215, 224, 230, 280, 284, 301, 322, 344, 355, 368, 430, 460, 497, 560, 568, 602, 644, 688, 710, 736, 805, 860, 920, 989, 994, 1120, 1136, 1204, 1288, 1376, 1420, 1505, 1610, 1633, 1720, 1840, 1978, 1988, 2272, 2408, 2485, 2576, 2840, 3010, 3053, 3220, 3266, 3440, 3680, 3956, 3976, 4816, 4945, 4970, 5152, 5680, 6020, 6106, 6440, 6532, 6880, 6923, 7912, 7952, 8165, 9632, 9890, 9940, 11360, 11431, 12040, 12212, 12880, 13064, 13846, 15265, 15824, 15904, 16330, 19780, 19880, 21371, 22862, 24080, 24424, 25760, 26128, 27692, 30530, 31648, 32660, 34615, 39560, 39760, 42742, 45724, 48160, 48848, 52256, 55384, 57155, 61060, 65320, 69230, 70219, 79120, 79520, 85484, 91448, 97696, 106855, 110768, 114310, 122120, 130640, 138460, 140438, 158240, 170968, 182896, 213710, 221536, 228620, 244240, 261280, 276920, 280876, 341936, 351095, 365792, 427420, 457240, 488480, 491533, 553840, 561752, 683872, 702190, 854840, 914480, 983066, 1107680, 1123504, 1404380, 1709680, 1828960, 1966132, 2247008, 2457665, 2808760, 3419360, 3932264, 4915330, 5617520, 7864528, 9830660, 11235040, 15729056, 19661320, 39322640, 78645280]

約数ペア:

[(1, 78645280), (2, 39322640), (4, 19661320), (5, 15729056), (7, 11235040), (8, 9830660), (10, 7864528), (14, 5617520), (16, 4915330), (20, 3932264), (23, 3419360), (28, 2808760), (32, 2457665), (35, 2247008), (40, 1966132), (43, 1828960), (46, 1709680), (56, 1404380), (70, 1123504), (71, 1107680), (80, 983066), (86, 914480), (92, 854840), (112, 702190), (115, 683872), (140, 561752), (142, 553840), (160, 491533), (161, 488480), (172, 457240), (184, 427420), (215, 365792), (224, 351095), (230, 341936), (280, 280876), (284, 276920), (301, 261280), (322, 244240), (344, 228620), (355, 221536), (368, 213710), (430, 182896), (460, 170968), (497, 158240), (560, 140438), (568, 138460), (602, 130640), (644, 122120), (688, 114310), (710, 110768), (736, 106855), (805, 97696), (860, 91448), (920, 85484), (989, 79520), (994, 79120), (1120, 70219), (1136, 69230), (1204, 65320), (1288, 61060), (1376, 57155), (1420, 55384), (1505, 52256), (1610, 48848), (1633, 48160), (1720, 45724), (1840, 42742), (1978, 39760), (1988, 39560), (2272, 34615), (2408, 32660), (2485, 31648), (2576, 30530), (2840, 27692), (3010, 26128), (3053, 25760), (3220, 24424), (3266, 24080), (3440, 22862), (3680, 21371), (3956, 19880), (3976, 19780), (4816, 16330), (4945, 15904), (4970, 15824), (5152, 15265), (5680, 13846), (6020, 13064), (6106, 12880), (6440, 12212), (6532, 12040), (6880, 11431), (6923, 11360), (7912, 9940), (7952, 9890), (8165, 9632)]