20427276800

素因数分解:

$2^9\times 5^2\times 7^2\times {\mathrm{32569}}^1$

素因数の和:32611

約数の個数: 180

約数和(自身を含む): 58874867370

約数和(自身を除く): 38447590570

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 280, 320, 350, 392, 400, 448, 490, 512, 560, 640, 700, 784, 800, 896, 980, 1120, 1225, 1280, 1400, 1568, 1600, 1792, 1960, 2240, 2450, 2560, 2800, 3136, 3200, 3584, 3920, 4480, 4900, 5600, 6272, 6400, 7840, 8960, 9800, 11200, 12544, 12800, 15680, 17920, 19600, 22400, 25088, 31360, 32569, 39200, 44800, 62720, 65138, 78400, 89600, 125440, 130276, 156800, 162845, 227983, 260552, 313600, 325690, 455966, 521104, 627200, 651380, 814225, 911932, 1042208, 1139915, 1302760, 1595881, 1628450, 1823864, 2084416, 2279830, 2605520, 3191762, 3256900, 3647728, 4168832, 4559660, 5211040, 5699575, 6383524, 6513800, 7295456, 7979405, 8337664, 9119320, 10422080, 11399150, 12767048, 13027600, 14590912, 15958810, 16675328, 18238640, 20844160, 22798300, 25534096, 26055200, 29181824, 31917620, 36477280, 39897025, 41688320, 45596600, 51068192, 52110400, 58363648, 63835240, 72954560, 79794050, 83376640, 91193200, 102136384, 104220800, 116727296, 127670480, 145909120, 159588100, 182386400, 204272768, 208441600, 255340960, 291818240, 319176200, 364772800, 408545536, 416883200, 510681920, 583636480, 638352400, 729545600, 817091072, 1021363840, 1276704800, 1459091200, 2042727680, 2553409600, 2918182400, 4085455360, 5106819200, 10213638400, 20427276800]

約数ペア:

[(1, 20427276800), (2, 10213638400), (4, 5106819200), (5, 4085455360), (7, 2918182400), (8, 2553409600), (10, 2042727680), (14, 1459091200), (16, 1276704800), (20, 1021363840), (25, 817091072), (28, 729545600), (32, 638352400), (35, 583636480), (40, 510681920), (49, 416883200), (50, 408545536), (56, 364772800), (64, 319176200), (70, 291818240), (80, 255340960), (98, 208441600), (100, 204272768), (112, 182386400), (128, 159588100), (140, 145909120), (160, 127670480), (175, 116727296), (196, 104220800), (200, 102136384), (224, 91193200), (245, 83376640), (256, 79794050), (280, 72954560), (320, 63835240), (350, 58363648), (392, 52110400), (400, 51068192), (448, 45596600), (490, 41688320), (512, 39897025), (560, 36477280), (640, 31917620), (700, 29181824), (784, 26055200), (800, 25534096), (896, 22798300), (980, 20844160), (1120, 18238640), (1225, 16675328), (1280, 15958810), (1400, 14590912), (1568, 13027600), (1600, 12767048), (1792, 11399150), (1960, 10422080), (2240, 9119320), (2450, 8337664), (2560, 7979405), (2800, 7295456), (3136, 6513800), (3200, 6383524), (3584, 5699575), (3920, 5211040), (4480, 4559660), (4900, 4168832), (5600, 3647728), (6272, 3256900), (6400, 3191762), (7840, 2605520), (8960, 2279830), (9800, 2084416), (11200, 1823864), (12544, 1628450), (12800, 1595881), (15680, 1302760), (17920, 1139915), (19600, 1042208), (22400, 911932), (25088, 814225), (31360, 651380), (32569, 627200), (39200, 521104), (44800, 455966), (62720, 325690), (65138, 313600), (78400, 260552), (89600, 227983), (125440, 162845), (130276, 156800)]