81100800

素因数分解:

$2^{15}\times 3^2\times 5^2\times {\mathrm{11}}^1$

素因数の和:57

約数の個数: 288

約数和(自身を含む): 316927260

約数和(自身を除く): 235826460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 55, 60, 64, 66, 72, 75, 80, 88, 90, 96, 99, 100, 110, 120, 128, 132, 144, 150, 160, 165, 176, 180, 192, 198, 200, 220, 225, 240, 256, 264, 275, 288, 300, 320, 330, 352, 360, 384, 396, 400, 440, 450, 480, 495, 512, 528, 550, 576, 600, 640, 660, 704, 720, 768, 792, 800, 825, 880, 900, 960, 990, 1024, 1056, 1100, 1152, 1200, 1280, 1320, 1408, 1440, 1536, 1584, 1600, 1650, 1760, 1800, 1920, 1980, 2048, 2112, 2200, 2304, 2400, 2475, 2560, 2640, 2816, 2880, 3072, 3168, 3200, 3300, 3520, 3600, 3840, 3960, 4096, 4224, 4400, 4608, 4800, 4950, 5120, 5280, 5632, 5760, 6144, 6336, 6400, 6600, 7040, 7200, 7680, 7920, 8192, 8448, 8800, 9216, 9600, 9900, 10240, 10560, 11264, 11520, 12288, 12672, 12800, 13200, 14080, 14400, 15360, 15840, 16384, 16896, 17600, 18432, 19200, 19800, 20480, 21120, 22528, 23040, 24576, 25344, 25600, 26400, 28160, 28800, 30720, 31680, 32768, 33792, 35200, 36864, 38400, 39600, 40960, 42240, 45056, 46080, 49152, 50688, 51200, 52800, 56320, 57600, 61440, 63360, 67584, 70400, 73728, 76800, 79200, 81920, 84480, 90112, 92160, 98304, 101376, 102400, 105600, 112640, 115200, 122880, 126720, 135168, 140800, 147456, 153600, 158400, 163840, 168960, 180224, 184320, 202752, 204800, 211200, 225280, 230400, 245760, 253440, 270336, 281600, 294912, 307200, 316800, 337920, 360448, 368640, 405504, 409600, 422400, 450560, 460800, 491520, 506880, 540672, 563200, 614400, 633600, 675840, 737280, 811008, 819200, 844800, 901120, 921600, 1013760, 1081344, 1126400, 1228800, 1267200, 1351680, 1474560, 1622016, 1689600, 1802240, 1843200, 2027520, 2252800, 2457600, 2534400, 2703360, 3244032, 3379200, 3686400, 4055040, 4505600, 5068800, 5406720, 6758400, 7372800, 8110080, 9011200, 10137600, 13516800, 16220160, 20275200, 27033600, 40550400, 81100800]

約数ペア:

[(1, 81100800), (2, 40550400), (3, 27033600), (4, 20275200), (5, 16220160), (6, 13516800), (8, 10137600), (9, 9011200), (10, 8110080), (11, 7372800), (12, 6758400), (15, 5406720), (16, 5068800), (18, 4505600), (20, 4055040), (22, 3686400), (24, 3379200), (25, 3244032), (30, 2703360), (32, 2534400), (33, 2457600), (36, 2252800), (40, 2027520), (44, 1843200), (45, 1802240), (48, 1689600), (50, 1622016), (55, 1474560), (60, 1351680), (64, 1267200), (66, 1228800), (72, 1126400), (75, 1081344), (80, 1013760), (88, 921600), (90, 901120), (96, 844800), (99, 819200), (100, 811008), (110, 737280), (120, 675840), (128, 633600), (132, 614400), (144, 563200), (150, 540672), (160, 506880), (165, 491520), (176, 460800), (180, 450560), (192, 422400), (198, 409600), (200, 405504), (220, 368640), (225, 360448), (240, 337920), (256, 316800), (264, 307200), (275, 294912), (288, 281600), (300, 270336), (320, 253440), (330, 245760), (352, 230400), (360, 225280), (384, 211200), (396, 204800), (400, 202752), (440, 184320), (450, 180224), (480, 168960), (495, 163840), (512, 158400), (528, 153600), (550, 147456), (576, 140800), (600, 135168), (640, 126720), (660, 122880), (704, 115200), (720, 112640), (768, 105600), (792, 102400), (800, 101376), (825, 98304), (880, 92160), (900, 90112), (960, 84480), (990, 81920), (1024, 79200), (1056, 76800), (1100, 73728), (1152, 70400), (1200, 67584), (1280, 63360), (1320, 61440), (1408, 57600), (1440, 56320), (1536, 52800), (1584, 51200), (1600, 50688), (1650, 49152), (1760, 46080), (1800, 45056), (1920, 42240), (1980, 40960), (2048, 39600), (2112, 38400), (2200, 36864), (2304, 35200), (2400, 33792), (2475, 32768), (2560, 31680), (2640, 30720), (2816, 28800), (2880, 28160), (3072, 26400), (3168, 25600), (3200, 25344), (3300, 24576), (3520, 23040), (3600, 22528), (3840, 21120), (3960, 20480), (4096, 19800), (4224, 19200), (4400, 18432), (4608, 17600), (4800, 16896), (4950, 16384), (5120, 15840), (5280, 15360), (5632, 14400), (5760, 14080), (6144, 13200), (6336, 12800), (6400, 12672), (6600, 12288), (7040, 11520), (7200, 11264), (7680, 10560), (7920, 10240), (8192, 9900), (8448, 9600), (8800, 9216)]