1981440000

素因数分解:

$2^{13}\times 3^2\times 5^4\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 420

約数和(自身を含む): 7318810356

約数和(自身を除く): 5337370356

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 43, 45, 48, 50, 60, 64, 72, 75, 80, 86, 90, 96, 100, 120, 125, 128, 129, 144, 150, 160, 172, 180, 192, 200, 215, 225, 240, 250, 256, 258, 288, 300, 320, 344, 360, 375, 384, 387, 400, 430, 450, 480, 500, 512, 516, 576, 600, 625, 640, 645, 688, 720, 750, 768, 774, 800, 860, 900, 960, 1000, 1024, 1032, 1075, 1125, 1152, 1200, 1250, 1280, 1290, 1376, 1440, 1500, 1536, 1548, 1600, 1720, 1800, 1875, 1920, 1935, 2000, 2048, 2064, 2150, 2250, 2304, 2400, 2500, 2560, 2580, 2752, 2880, 3000, 3072, 3096, 3200, 3225, 3440, 3600, 3750, 3840, 3870, 4000, 4096, 4128, 4300, 4500, 4608, 4800, 5000, 5120, 5160, 5375, 5504, 5625, 5760, 6000, 6144, 6192, 6400, 6450, 6880, 7200, 7500, 7680, 7740, 8000, 8192, 8256, 8600, 9000, 9216, 9600, 9675, 10000, 10240, 10320, 10750, 11008, 11250, 11520, 12000, 12288, 12384, 12800, 12900, 13760, 14400, 15000, 15360, 15480, 16000, 16125, 16512, 17200, 18000, 18432, 19200, 19350, 20000, 20480, 20640, 21500, 22016, 22500, 23040, 24000, 24576, 24768, 25600, 25800, 26875, 27520, 28800, 30000, 30720, 30960, 32000, 32250, 33024, 34400, 36000, 36864, 38400, 38700, 40000, 40960, 41280, 43000, 44032, 45000, 46080, 48000, 48375, 49536, 51200, 51600, 53750, 55040, 57600, 60000, 61440, 61920, 64000, 64500, 66048, 68800, 72000, 73728, 76800, 77400, 80000, 80625, 82560, 86000, 88064, 90000, 92160, 96000, 96750, 99072, 102400, 103200, 107500, 110080, 115200, 120000, 122880, 123840, 128000, 129000, 132096, 137600, 144000, 153600, 154800, 160000, 161250, 165120, 172000, 176128, 180000, 184320, 192000, 193500, 198144, 204800, 206400, 215000, 220160, 230400, 240000, 241875, 247680, 256000, 258000, 264192, 275200, 288000, 307200, 309600, 320000, 322500, 330240, 344000, 352256, 360000, 368640, 384000, 387000, 396288, 412800, 430000, 440320, 460800, 480000, 483750, 495360, 512000, 516000, 528384, 550400, 576000, 614400, 619200, 640000, 645000, 660480, 688000, 720000, 768000, 774000, 792576, 825600, 860000, 880640, 921600, 960000, 967500, 990720, 1024000, 1032000, 1056768, 1100800, 1152000, 1238400, 1280000, 1290000, 1320960, 1376000, 1440000, 1536000, 1548000, 1585152, 1651200, 1720000, 1761280, 1843200, 1920000, 1935000, 1981440, 2064000, 2201600, 2304000, 2476800, 2560000, 2580000, 2641920, 2752000, 2880000, 3072000, 3096000, 3170304, 3302400, 3440000, 3840000, 3870000, 3962880, 4128000, 4403200, 4608000, 4953600, 5120000, 5160000, 5283840, 5504000, 5760000, 6192000, 6604800, 6880000, 7680000, 7740000, 7925760, 8256000, 8806400, 9216000, 9907200, 10320000, 11008000, 11520000, 12384000, 13209600, 13760000, 15360000, 15480000, 15851520, 16512000, 19814400, 20640000, 22016000, 23040000, 24768000, 26419200, 27520000, 30960000, 33024000, 39628800, 41280000, 44032000, 46080000, 49536000, 55040000, 61920000, 66048000, 79257600, 82560000, 99072000, 110080000, 123840000, 132096000, 165120000, 198144000, 220160000, 247680000, 330240000, 396288000, 495360000, 660480000, 990720000, 1981440000]

約数ペア:

[(1, 1981440000), (2, 990720000), (3, 660480000), (4, 495360000), (5, 396288000), (6, 330240000), (8, 247680000), (9, 220160000), (10, 198144000), (12, 165120000), (15, 132096000), (16, 123840000), (18, 110080000), (20, 99072000), (24, 82560000), (25, 79257600), (30, 66048000), (32, 61920000), (36, 55040000), (40, 49536000), (43, 46080000), (45, 44032000), (48, 41280000), (50, 39628800), (60, 33024000), (64, 30960000), (72, 27520000), (75, 26419200), (80, 24768000), (86, 23040000), (90, 22016000), (96, 20640000), (100, 19814400), (120, 16512000), (125, 15851520), (128, 15480000), (129, 15360000), (144, 13760000), (150, 13209600), (160, 12384000), (172, 11520000), (180, 11008000), (192, 10320000), (200, 9907200), (215, 9216000), (225, 8806400), (240, 8256000), (250, 7925760), (256, 7740000), (258, 7680000), (288, 6880000), (300, 6604800), (320, 6192000), (344, 5760000), (360, 5504000), (375, 5283840), (384, 5160000), (387, 5120000), (400, 4953600), (430, 4608000), (450, 4403200), (480, 4128000), (500, 3962880), (512, 3870000), (516, 3840000), (576, 3440000), (600, 3302400), (625, 3170304), (640, 3096000), (645, 3072000), (688, 2880000), (720, 2752000), (750, 2641920), (768, 2580000), (774, 2560000), (800, 2476800), (860, 2304000), (900, 2201600), (960, 2064000), (1000, 1981440), (1024, 1935000), (1032, 1920000), (1075, 1843200), (1125, 1761280), (1152, 1720000), (1200, 1651200), (1250, 1585152), (1280, 1548000), (1290, 1536000), (1376, 1440000), (1440, 1376000), (1500, 1320960), (1536, 1290000), (1548, 1280000), (1600, 1238400), (1720, 1152000), (1800, 1100800), (1875, 1056768), (1920, 1032000), (1935, 1024000), (2000, 990720), (2048, 967500), (2064, 960000), (2150, 921600), (2250, 880640), (2304, 860000), (2400, 825600), (2500, 792576), (2560, 774000), (2580, 768000), (2752, 720000), (2880, 688000), (3000, 660480), (3072, 645000), (3096, 640000), (3200, 619200), (3225, 614400), (3440, 576000), (3600, 550400), (3750, 528384), (3840, 516000), (3870, 512000), (4000, 495360), (4096, 483750), (4128, 480000), (4300, 460800), (4500, 440320), (4608, 430000), (4800, 412800), (5000, 396288), (5120, 387000), (5160, 384000), (5375, 368640), (5504, 360000), (5625, 352256), (5760, 344000), (6000, 330240), (6144, 322500), (6192, 320000), (6400, 309600), (6450, 307200), (6880, 288000), (7200, 275200), (7500, 264192), (7680, 258000), (7740, 256000), (8000, 247680), (8192, 241875), (8256, 240000), (8600, 230400), (9000, 220160), (9216, 215000), (9600, 206400), (9675, 204800), (10000, 198144), (10240, 193500), (10320, 192000), (10750, 184320), (11008, 180000), (11250, 176128), (11520, 172000), (12000, 165120), (12288, 161250), (12384, 160000), (12800, 154800), (12900, 153600), (13760, 144000), (14400, 137600), (15000, 132096), (15360, 129000), (15480, 128000), (16000, 123840), (16125, 122880), (16512, 120000), (17200, 115200), (18000, 110080), (18432, 107500), (19200, 103200), (19350, 102400), (20000, 99072), (20480, 96750), (20640, 96000), (21500, 92160), (22016, 90000), (22500, 88064), (23040, 86000), (24000, 82560), (24576, 80625), (24768, 80000), (25600, 77400), (25800, 76800), (26875, 73728), (27520, 72000), (28800, 68800), (30000, 66048), (30720, 64500), (30960, 64000), (32000, 61920), (32250, 61440), (33024, 60000), (34400, 57600), (36000, 55040), (36864, 53750), (38400, 51600), (38700, 51200), (40000, 49536), (40960, 48375), (41280, 48000), (43000, 46080), (44032, 45000)]