66628800

素因数分解:

$2^6\times 3^2\times 5^2\times 7^1\times {\mathrm{661}}^1$

素因数の和:696

約数の個数: 252

約数和(自身を含む): 271054576

約数和(自身を除く): 204425776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 64, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 126, 140, 144, 150, 160, 168, 175, 180, 192, 200, 210, 224, 225, 240, 252, 280, 288, 300, 315, 320, 336, 350, 360, 400, 420, 448, 450, 480, 504, 525, 560, 576, 600, 630, 661, 672, 700, 720, 800, 840, 900, 960, 1008, 1050, 1120, 1200, 1260, 1322, 1344, 1400, 1440, 1575, 1600, 1680, 1800, 1983, 2016, 2100, 2240, 2400, 2520, 2644, 2800, 2880, 3150, 3305, 3360, 3600, 3966, 4032, 4200, 4627, 4800, 5040, 5288, 5600, 5949, 6300, 6610, 6720, 7200, 7932, 8400, 9254, 9915, 10080, 10576, 11200, 11898, 12600, 13220, 13881, 14400, 15864, 16525, 16800, 18508, 19830, 20160, 21152, 23135, 23796, 25200, 26440, 27762, 29745, 31728, 33050, 33600, 37016, 39660, 41643, 42304, 46270, 47592, 49575, 50400, 52880, 55524, 59490, 63456, 66100, 69405, 74032, 79320, 83286, 92540, 95184, 99150, 100800, 105760, 111048, 115675, 118980, 126912, 132200, 138810, 148064, 148725, 158640, 166572, 185080, 190368, 198300, 208215, 211520, 222096, 231350, 237960, 264400, 277620, 296128, 297450, 317280, 333144, 347025, 370160, 380736, 396600, 416430, 444192, 462700, 475920, 528800, 555240, 594900, 634560, 666288, 694050, 740320, 793200, 832860, 888384, 925400, 951840, 1041075, 1057600, 1110480, 1189800, 1332576, 1388100, 1480640, 1586400, 1665720, 1850800, 1903680, 2082150, 2220960, 2379600, 2665152, 2776200, 3172800, 3331440, 3701600, 4164300, 4441920, 4759200, 5552400, 6662880, 7403200, 8328600, 9518400, 11104800, 13325760, 16657200, 22209600, 33314400, 66628800]

約数ペア:

[(1, 66628800), (2, 33314400), (3, 22209600), (4, 16657200), (5, 13325760), (6, 11104800), (7, 9518400), (8, 8328600), (9, 7403200), (10, 6662880), (12, 5552400), (14, 4759200), (15, 4441920), (16, 4164300), (18, 3701600), (20, 3331440), (21, 3172800), (24, 2776200), (25, 2665152), (28, 2379600), (30, 2220960), (32, 2082150), (35, 1903680), (36, 1850800), (40, 1665720), (42, 1586400), (45, 1480640), (48, 1388100), (50, 1332576), (56, 1189800), (60, 1110480), (63, 1057600), (64, 1041075), (70, 951840), (72, 925400), (75, 888384), (80, 832860), (84, 793200), (90, 740320), (96, 694050), (100, 666288), (105, 634560), (112, 594900), (120, 555240), (126, 528800), (140, 475920), (144, 462700), (150, 444192), (160, 416430), (168, 396600), (175, 380736), (180, 370160), (192, 347025), (200, 333144), (210, 317280), (224, 297450), (225, 296128), (240, 277620), (252, 264400), (280, 237960), (288, 231350), (300, 222096), (315, 211520), (320, 208215), (336, 198300), (350, 190368), (360, 185080), (400, 166572), (420, 158640), (448, 148725), (450, 148064), (480, 138810), (504, 132200), (525, 126912), (560, 118980), (576, 115675), (600, 111048), (630, 105760), (661, 100800), (672, 99150), (700, 95184), (720, 92540), (800, 83286), (840, 79320), (900, 74032), (960, 69405), (1008, 66100), (1050, 63456), (1120, 59490), (1200, 55524), (1260, 52880), (1322, 50400), (1344, 49575), (1400, 47592), (1440, 46270), (1575, 42304), (1600, 41643), (1680, 39660), (1800, 37016), (1983, 33600), (2016, 33050), (2100, 31728), (2240, 29745), (2400, 27762), (2520, 26440), (2644, 25200), (2800, 23796), (2880, 23135), (3150, 21152), (3305, 20160), (3360, 19830), (3600, 18508), (3966, 16800), (4032, 16525), (4200, 15864), (4627, 14400), (4800, 13881), (5040, 13220), (5288, 12600), (5600, 11898), (5949, 11200), (6300, 10576), (6610, 10080), (6720, 9915), (7200, 9254), (7932, 8400)]