71478960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 255793152

約数和(自身を除く): 184314192

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, 157, 168, 210, 240, 271, 280, 314, 336, 420, 471, 542, 560, 628, 785, 813, 840, 942, 1084, 1099, 1256, 1355, 1570, 1626, 1680, 1884, 1897, 2168, 2198, 2355, 2512, 2710, 3140, 3252, 3297, 3768, 3794, 4065, 4336, 4396, 4710, 5420, 5495, 5691, 6280, 6504, 6594, 7536, 7588, 8130, 8792, 9420, 9485, 10840, 10990, 11382, 12560, 13008, 13188, 15176, 16260, 16485, 17584, 18840, 18970, 21680, 21980, 22764, 26376, 28455, 30352, 32520, 32970, 37680, 37940, 42547, 43960, 45528, 52752, 56910, 65040, 65940, 75880, 85094, 87920, 91056, 113820, 127641, 131880, 151760, 170188, 212735, 227640, 255282, 263760, 297829, 340376, 425470, 455280, 510564, 595658, 638205, 680752, 850940, 893487, 1021128, 1191316, 1276410, 1489145, 1701880, 1786974, 2042256, 2382632, 2552820, 2978290, 3403760, 3573948, 4467435, 4765264, 5105640, 5956580, 7147896, 8934870, 10211280, 11913160, 14295792, 17869740, 23826320, 35739480, 71478960]

約数ペア:

[(1, 71478960), (2, 35739480), (3, 23826320), (4, 17869740), (5, 14295792), (6, 11913160), (7, 10211280), (8, 8934870), (10, 7147896), (12, 5956580), (14, 5105640), (15, 4765264), (16, 4467435), (20, 3573948), (21, 3403760), (24, 2978290), (28, 2552820), (30, 2382632), (35, 2042256), (40, 1786974), (42, 1701880), (48, 1489145), (56, 1276410), (60, 1191316), (70, 1021128), (80, 893487), (84, 850940), (105, 680752), (112, 638205), (120, 595658), (140, 510564), (157, 455280), (168, 425470), (210, 340376), (240, 297829), (271, 263760), (280, 255282), (314, 227640), (336, 212735), (420, 170188), (471, 151760), (542, 131880), (560, 127641), (628, 113820), (785, 91056), (813, 87920), (840, 85094), (942, 75880), (1084, 65940), (1099, 65040), (1256, 56910), (1355, 52752), (1570, 45528), (1626, 43960), (1680, 42547), (1884, 37940), (1897, 37680), (2168, 32970), (2198, 32520), (2355, 30352), (2512, 28455), (2710, 26376), (3140, 22764), (3252, 21980), (3297, 21680), (3768, 18970), (3794, 18840), (4065, 17584), (4336, 16485), (4396, 16260), (4710, 15176), (5420, 13188), (5495, 13008), (5691, 12560), (6280, 11382), (6504, 10990), (6594, 10840), (7536, 9485), (7588, 9420), (8130, 8792)]