285915840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:455

約数の個数: 224

約数和(自身を含む): 1047926784

約数和(自身を除く): 762010944

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, 140, 157, 160, 168, 192, 210, 224, 240, 271, 280, 314, 320, 336, 420, 448, 471, 480, 542, 560, 628, 672, 785, 813, 840, 942, 960, 1084, 1099, 1120, 1256, 1344, 1355, 1570, 1626, 1680, 1884, 1897, 2168, 2198, 2240, 2355, 2512, 2710, 3140, 3252, 3297, 3360, 3768, 3794, 4065, 4336, 4396, 4710, 5024, 5420, 5495, 5691, 6280, 6504, 6594, 6720, 7536, 7588, 8130, 8672, 8792, 9420, 9485, 10048, 10840, 10990, 11382, 12560, 13008, 13188, 15072, 15176, 16260, 16485, 17344, 17584, 18840, 18970, 21680, 21980, 22764, 25120, 26016, 26376, 28455, 30144, 30352, 32520, 32970, 35168, 37680, 37940, 42547, 43360, 43960, 45528, 50240, 52032, 52752, 56910, 60704, 65040, 65940, 70336, 75360, 75880, 85094, 86720, 87920, 91056, 105504, 113820, 121408, 127641, 130080, 131880, 150720, 151760, 170188, 175840, 182112, 211008, 212735, 227640, 255282, 260160, 263760, 297829, 303520, 340376, 351680, 364224, 425470, 455280, 510564, 527520, 595658, 607040, 638205, 680752, 850940, 893487, 910560, 1021128, 1055040, 1191316, 1276410, 1361504, 1489145, 1701880, 1786974, 1821120, 2042256, 2382632, 2552820, 2723008, 2978290, 3403760, 3573948, 4084512, 4467435, 4765264, 5105640, 5956580, 6807520, 7147896, 8169024, 8934870, 9530528, 10211280, 11913160, 13615040, 14295792, 17869740, 19061056, 20422560, 23826320, 28591584, 35739480, 40845120, 47652640, 57183168, 71478960, 95305280, 142957920, 285915840]

約数ペア:

[(1, 285915840), (2, 142957920), (3, 95305280), (4, 71478960), (5, 57183168), (6, 47652640), (7, 40845120), (8, 35739480), (10, 28591584), (12, 23826320), (14, 20422560), (15, 19061056), (16, 17869740), (20, 14295792), (21, 13615040), (24, 11913160), (28, 10211280), (30, 9530528), (32, 8934870), (35, 8169024), (40, 7147896), (42, 6807520), (48, 5956580), (56, 5105640), (60, 4765264), (64, 4467435), (70, 4084512), (80, 3573948), (84, 3403760), (96, 2978290), (105, 2723008), (112, 2552820), (120, 2382632), (140, 2042256), (157, 1821120), (160, 1786974), (168, 1701880), (192, 1489145), (210, 1361504), (224, 1276410), (240, 1191316), (271, 1055040), (280, 1021128), (314, 910560), (320, 893487), (336, 850940), (420, 680752), (448, 638205), (471, 607040), (480, 595658), (542, 527520), (560, 510564), (628, 455280), (672, 425470), (785, 364224), (813, 351680), (840, 340376), (942, 303520), (960, 297829), (1084, 263760), (1099, 260160), (1120, 255282), (1256, 227640), (1344, 212735), (1355, 211008), (1570, 182112), (1626, 175840), (1680, 170188), (1884, 151760), (1897, 150720), (2168, 131880), (2198, 130080), (2240, 127641), (2355, 121408), (2512, 113820), (2710, 105504), (3140, 91056), (3252, 87920), (3297, 86720), (3360, 85094), (3768, 75880), (3794, 75360), (4065, 70336), (4336, 65940), (4396, 65040), (4710, 60704), (5024, 56910), (5420, 52752), (5495, 52032), (5691, 50240), (6280, 45528), (6504, 43960), (6594, 43360), (6720, 42547), (7536, 37940), (7588, 37680), (8130, 35168), (8672, 32970), (8792, 32520), (9420, 30352), (9485, 30144), (10048, 28455), (10840, 26376), (10990, 26016), (11382, 25120), (12560, 22764), (13008, 21980), (13188, 21680), (15072, 18970), (15176, 18840), (16260, 17584), (16485, 17344)]