231981840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:742

約数の個数: 160

約数和(自身を含む): 804412800

約数和(自身を除く): 572430960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 211, 216, 240, 270, 360, 422, 432, 509, 540, 633, 720, 844, 1018, 1055, 1080, 1266, 1527, 1688, 1899, 2036, 2110, 2160, 2532, 2545, 3054, 3165, 3376, 3798, 4072, 4220, 4581, 5064, 5090, 5697, 6108, 6330, 7596, 7635, 8144, 8440, 9162, 9495, 10128, 10180, 11394, 12216, 12660, 13743, 15192, 15270, 16880, 18324, 18990, 20360, 22788, 22905, 24432, 25320, 27486, 28485, 30384, 30540, 36648, 37980, 40720, 45576, 45810, 50640, 54972, 56970, 61080, 68715, 73296, 75960, 91152, 91620, 107399, 109944, 113940, 122160, 137430, 151920, 183240, 214798, 219888, 227880, 274860, 322197, 366480, 429596, 455760, 536995, 549720, 644394, 859192, 966591, 1073990, 1099440, 1288788, 1610985, 1718384, 1933182, 2147980, 2577576, 2899773, 3221970, 3866364, 4295960, 4832955, 5155152, 5799546, 6443940, 7732728, 8591920, 9665910, 11599092, 12887880, 14498865, 15465456, 19331820, 23198184, 25775760, 28997730, 38663640, 46396368, 57995460, 77327280, 115990920, 231981840]

約数ペア:

[(1, 231981840), (2, 115990920), (3, 77327280), (4, 57995460), (5, 46396368), (6, 38663640), (8, 28997730), (9, 25775760), (10, 23198184), (12, 19331820), (15, 15465456), (16, 14498865), (18, 12887880), (20, 11599092), (24, 9665910), (27, 8591920), (30, 7732728), (36, 6443940), (40, 5799546), (45, 5155152), (48, 4832955), (54, 4295960), (60, 3866364), (72, 3221970), (80, 2899773), (90, 2577576), (108, 2147980), (120, 1933182), (135, 1718384), (144, 1610985), (180, 1288788), (211, 1099440), (216, 1073990), (240, 966591), (270, 859192), (360, 644394), (422, 549720), (432, 536995), (509, 455760), (540, 429596), (633, 366480), (720, 322197), (844, 274860), (1018, 227880), (1055, 219888), (1080, 214798), (1266, 183240), (1527, 151920), (1688, 137430), (1899, 122160), (2036, 113940), (2110, 109944), (2160, 107399), (2532, 91620), (2545, 91152), (3054, 75960), (3165, 73296), (3376, 68715), (3798, 61080), (4072, 56970), (4220, 54972), (4581, 50640), (5064, 45810), (5090, 45576), (5697, 40720), (6108, 37980), (6330, 36648), (7596, 30540), (7635, 30384), (8144, 28485), (8440, 27486), (9162, 25320), (9495, 24432), (10128, 22905), (10180, 22788), (11394, 20360), (12216, 18990), (12660, 18324), (13743, 16880), (15192, 15270)]