19720800

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 78744960

約数和(自身を除く): 59024160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 27, 30, 32, 33, 36, 40, 44, 45, 48, 50, 54, 55, 60, 66, 72, 75, 80, 83, 88, 90, 96, 99, 100, 108, 110, 120, 132, 135, 144, 150, 160, 165, 166, 176, 180, 198, 200, 216, 220, 225, 240, 249, 264, 270, 275, 288, 297, 300, 330, 332, 352, 360, 396, 400, 415, 432, 440, 450, 480, 495, 498, 528, 540, 550, 594, 600, 660, 664, 675, 720, 747, 792, 800, 825, 830, 864, 880, 900, 913, 990, 996, 1056, 1080, 1100, 1188, 1200, 1245, 1320, 1328, 1350, 1440, 1485, 1494, 1584, 1650, 1660, 1760, 1800, 1826, 1980, 1992, 2075, 2160, 2200, 2241, 2376, 2400, 2475, 2490, 2640, 2656, 2700, 2739, 2970, 2988, 3168, 3300, 3320, 3600, 3652, 3735, 3960, 3984, 4150, 4320, 4400, 4482, 4565, 4752, 4950, 4980, 5280, 5400, 5478, 5940, 5976, 6225, 6600, 6640, 7200, 7304, 7425, 7470, 7920, 7968, 8217, 8300, 8800, 8964, 9130, 9504, 9900, 9960, 10800, 10956, 11205, 11880, 11952, 12450, 13200, 13280, 13695, 14608, 14850, 14940, 15840, 16434, 16600, 17928, 18260, 18675, 19800, 19920, 21600, 21912, 22410, 22825, 23760, 23904, 24651, 24900, 26400, 27390, 29216, 29700, 29880, 32868, 33200, 35856, 36520, 37350, 39600, 39840, 41085, 43824, 44820, 45650, 47520, 49302, 49800, 54780, 56025, 59400, 59760, 65736, 66400, 68475, 71712, 73040, 74700, 79200, 82170, 87648, 89640, 91300, 98604, 99600, 109560, 112050, 118800, 119520, 123255, 131472, 136950, 146080, 149400, 164340, 179280, 182600, 197208, 199200, 205425, 219120, 224100, 237600, 246510, 262944, 273900, 298800, 328680, 358560, 365200, 394416, 410850, 438240, 448200, 493020, 547800, 597600, 616275, 657360, 730400, 788832, 821700, 896400, 986040, 1095600, 1232550, 1314720, 1643400, 1792800, 1972080, 2191200, 2465100, 3286800, 3944160, 4930200, 6573600, 9860400, 19720800]

約数ペア:

[(1, 19720800), (2, 9860400), (3, 6573600), (4, 4930200), (5, 3944160), (6, 3286800), (8, 2465100), (9, 2191200), (10, 1972080), (11, 1792800), (12, 1643400), (15, 1314720), (16, 1232550), (18, 1095600), (20, 986040), (22, 896400), (24, 821700), (25, 788832), (27, 730400), (30, 657360), (32, 616275), (33, 597600), (36, 547800), (40, 493020), (44, 448200), (45, 438240), (48, 410850), (50, 394416), (54, 365200), (55, 358560), (60, 328680), (66, 298800), (72, 273900), (75, 262944), (80, 246510), (83, 237600), (88, 224100), (90, 219120), (96, 205425), (99, 199200), (100, 197208), (108, 182600), (110, 179280), (120, 164340), (132, 149400), (135, 146080), (144, 136950), (150, 131472), (160, 123255), (165, 119520), (166, 118800), (176, 112050), (180, 109560), (198, 99600), (200, 98604), (216, 91300), (220, 89640), (225, 87648), (240, 82170), (249, 79200), (264, 74700), (270, 73040), (275, 71712), (288, 68475), (297, 66400), (300, 65736), (330, 59760), (332, 59400), (352, 56025), (360, 54780), (396, 49800), (400, 49302), (415, 47520), (432, 45650), (440, 44820), (450, 43824), (480, 41085), (495, 39840), (498, 39600), (528, 37350), (540, 36520), (550, 35856), (594, 33200), (600, 32868), (660, 29880), (664, 29700), (675, 29216), (720, 27390), (747, 26400), (792, 24900), (800, 24651), (825, 23904), (830, 23760), (864, 22825), (880, 22410), (900, 21912), (913, 21600), (990, 19920), (996, 19800), (1056, 18675), (1080, 18260), (1100, 17928), (1188, 16600), (1200, 16434), (1245, 15840), (1320, 14940), (1328, 14850), (1350, 14608), (1440, 13695), (1485, 13280), (1494, 13200), (1584, 12450), (1650, 11952), (1660, 11880), (1760, 11205), (1800, 10956), (1826, 10800), (1980, 9960), (1992, 9900), (2075, 9504), (2160, 9130), (2200, 8964), (2241, 8800), (2376, 8300), (2400, 8217), (2475, 7968), (2490, 7920), (2640, 7470), (2656, 7425), (2700, 7304), (2739, 7200), (2970, 6640), (2988, 6600), (3168, 6225), (3300, 5976), (3320, 5940), (3600, 5478), (3652, 5400), (3735, 5280), (3960, 4980), (3984, 4950), (4150, 4752), (4320, 4565), (4400, 4482)]