12856001520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{1259}}^1$

素因数の和:1703

約数の個数: 160

約数和(自身を含む): 40287421440

約数和(自身を除く): 27431419920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 271, 314, 471, 542, 628, 785, 813, 942, 1084, 1256, 1259, 1355, 1570, 1626, 1884, 2168, 2355, 2512, 2518, 2710, 3140, 3252, 3768, 3777, 4065, 4336, 4710, 5036, 5420, 6280, 6295, 6504, 7536, 7554, 8130, 9420, 10072, 10840, 12560, 12590, 13008, 15108, 16260, 18840, 18885, 20144, 21680, 25180, 30216, 32520, 37680, 37770, 42547, 50360, 60432, 65040, 75540, 85094, 100720, 127641, 151080, 170188, 197663, 212735, 255282, 302160, 340376, 341189, 395326, 425470, 510564, 592989, 638205, 680752, 682378, 790652, 850940, 988315, 1021128, 1023567, 1185978, 1276410, 1364756, 1581304, 1701880, 1705945, 1976630, 2042256, 2047134, 2371956, 2552820, 2729512, 2964945, 3162608, 3403760, 3411890, 3953260, 4094268, 4743912, 5105640, 5117835, 5459024, 5929890, 6823780, 7906520, 8188536, 9487824, 10211280, 10235670, 11859780, 13647560, 15813040, 16377072, 20471340, 23719560, 27295120, 40942680, 47439120, 53566673, 81885360, 107133346, 160700019, 214266692, 267833365, 321400038, 428533384, 535666730, 642800076, 803500095, 857066768, 1071333460, 1285600152, 1607000190, 2142666920, 2571200304, 3214000380, 4285333840, 6428000760, 12856001520]

約数ペア:

[(1, 12856001520), (2, 6428000760), (3, 4285333840), (4, 3214000380), (5, 2571200304), (6, 2142666920), (8, 1607000190), (10, 1285600152), (12, 1071333460), (15, 857066768), (16, 803500095), (20, 642800076), (24, 535666730), (30, 428533384), (40, 321400038), (48, 267833365), (60, 214266692), (80, 160700019), (120, 107133346), (157, 81885360), (240, 53566673), (271, 47439120), (314, 40942680), (471, 27295120), (542, 23719560), (628, 20471340), (785, 16377072), (813, 15813040), (942, 13647560), (1084, 11859780), (1256, 10235670), (1259, 10211280), (1355, 9487824), (1570, 8188536), (1626, 7906520), (1884, 6823780), (2168, 5929890), (2355, 5459024), (2512, 5117835), (2518, 5105640), (2710, 4743912), (3140, 4094268), (3252, 3953260), (3768, 3411890), (3777, 3403760), (4065, 3162608), (4336, 2964945), (4710, 2729512), (5036, 2552820), (5420, 2371956), (6280, 2047134), (6295, 2042256), (6504, 1976630), (7536, 1705945), (7554, 1701880), (8130, 1581304), (9420, 1364756), (10072, 1276410), (10840, 1185978), (12560, 1023567), (12590, 1021128), (13008, 988315), (15108, 850940), (16260, 790652), (18840, 682378), (18885, 680752), (20144, 638205), (21680, 592989), (25180, 510564), (30216, 425470), (32520, 395326), (37680, 341189), (37770, 340376), (42547, 302160), (50360, 255282), (60432, 212735), (65040, 197663), (75540, 170188), (85094, 151080), (100720, 127641)]