1630720000

素因数分解:

$2^{12}\times 5^4\times 7^2\times {\mathrm{13}}^1$

素因数の和:71

約数の個数: 390

約数和(自身を含む): 5104942458

約数和(自身を除く): 3474222458

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 64, 65, 70, 80, 91, 98, 100, 104, 112, 125, 128, 130, 140, 160, 175, 182, 196, 200, 208, 224, 245, 250, 256, 260, 280, 320, 325, 350, 364, 392, 400, 416, 448, 455, 490, 500, 512, 520, 560, 625, 637, 640, 650, 700, 728, 784, 800, 832, 875, 896, 910, 980, 1000, 1024, 1040, 1120, 1225, 1250, 1274, 1280, 1300, 1400, 1456, 1568, 1600, 1625, 1664, 1750, 1792, 1820, 1960, 2000, 2048, 2080, 2240, 2275, 2450, 2500, 2548, 2560, 2600, 2800, 2912, 3136, 3185, 3200, 3250, 3328, 3500, 3584, 3640, 3920, 4000, 4096, 4160, 4375, 4480, 4550, 4900, 5000, 5096, 5120, 5200, 5600, 5824, 6125, 6272, 6370, 6400, 6500, 6656, 7000, 7168, 7280, 7840, 8000, 8125, 8320, 8750, 8960, 9100, 9800, 10000, 10192, 10240, 10400, 11200, 11375, 11648, 12250, 12544, 12740, 12800, 13000, 13312, 14000, 14336, 14560, 15680, 15925, 16000, 16250, 16640, 17500, 17920, 18200, 19600, 20000, 20384, 20480, 20800, 22400, 22750, 23296, 24500, 25088, 25480, 25600, 26000, 26624, 28000, 28672, 29120, 30625, 31360, 31850, 32000, 32500, 33280, 35000, 35840, 36400, 39200, 40000, 40768, 41600, 44800, 45500, 46592, 49000, 50176, 50960, 51200, 52000, 53248, 56000, 56875, 58240, 61250, 62720, 63700, 64000, 65000, 66560, 70000, 71680, 72800, 78400, 79625, 80000, 81536, 83200, 89600, 91000, 93184, 98000, 100352, 101920, 102400, 104000, 112000, 113750, 116480, 122500, 125440, 127400, 128000, 130000, 133120, 140000, 143360, 145600, 156800, 159250, 160000, 163072, 166400, 179200, 182000, 186368, 196000, 200704, 203840, 208000, 224000, 227500, 232960, 245000, 250880, 254800, 256000, 260000, 266240, 280000, 291200, 313600, 318500, 320000, 326144, 332800, 358400, 364000, 372736, 392000, 398125, 407680, 416000, 448000, 455000, 465920, 490000, 501760, 509600, 512000, 520000, 560000, 582400, 627200, 637000, 640000, 652288, 665600, 716800, 728000, 784000, 796250, 815360, 832000, 896000, 910000, 931840, 980000, 1003520, 1019200, 1040000, 1120000, 1164800, 1254400, 1274000, 1280000, 1304576, 1331200, 1456000, 1568000, 1592500, 1630720, 1664000, 1792000, 1820000, 1863680, 1960000, 2038400, 2080000, 2240000, 2329600, 2508800, 2548000, 2560000, 2609152, 2912000, 3136000, 3185000, 3261440, 3328000, 3584000, 3640000, 3920000, 4076800, 4160000, 4480000, 4659200, 5017600, 5096000, 5824000, 6272000, 6370000, 6522880, 6656000, 7280000, 7840000, 8153600, 8320000, 8960000, 9318400, 10192000, 11648000, 12544000, 12740000, 13045760, 14560000, 15680000, 16307200, 16640000, 17920000, 20384000, 23296000, 25088000, 25480000, 29120000, 31360000, 32614400, 33280000, 40768000, 46592000, 50960000, 58240000, 62720000, 65228800, 81536000, 101920000, 116480000, 125440000, 163072000, 203840000, 232960000, 326144000, 407680000, 815360000, 1630720000]

約数ペア:

[(1, 1630720000), (2, 815360000), (4, 407680000), (5, 326144000), (7, 232960000), (8, 203840000), (10, 163072000), (13, 125440000), (14, 116480000), (16, 101920000), (20, 81536000), (25, 65228800), (26, 62720000), (28, 58240000), (32, 50960000), (35, 46592000), (40, 40768000), (49, 33280000), (50, 32614400), (52, 31360000), (56, 29120000), (64, 25480000), (65, 25088000), (70, 23296000), (80, 20384000), (91, 17920000), (98, 16640000), (100, 16307200), (104, 15680000), (112, 14560000), (125, 13045760), (128, 12740000), (130, 12544000), (140, 11648000), (160, 10192000), (175, 9318400), (182, 8960000), (196, 8320000), (200, 8153600), (208, 7840000), (224, 7280000), (245, 6656000), (250, 6522880), (256, 6370000), (260, 6272000), (280, 5824000), (320, 5096000), (325, 5017600), (350, 4659200), (364, 4480000), (392, 4160000), (400, 4076800), (416, 3920000), (448, 3640000), (455, 3584000), (490, 3328000), (500, 3261440), (512, 3185000), (520, 3136000), (560, 2912000), (625, 2609152), (637, 2560000), (640, 2548000), (650, 2508800), (700, 2329600), (728, 2240000), (784, 2080000), (800, 2038400), (832, 1960000), (875, 1863680), (896, 1820000), (910, 1792000), (980, 1664000), (1000, 1630720), (1024, 1592500), (1040, 1568000), (1120, 1456000), (1225, 1331200), (1250, 1304576), (1274, 1280000), (1280, 1274000), (1300, 1254400), (1400, 1164800), (1456, 1120000), (1568, 1040000), (1600, 1019200), (1625, 1003520), (1664, 980000), (1750, 931840), (1792, 910000), (1820, 896000), (1960, 832000), (2000, 815360), (2048, 796250), (2080, 784000), (2240, 728000), (2275, 716800), (2450, 665600), (2500, 652288), (2548, 640000), (2560, 637000), (2600, 627200), (2800, 582400), (2912, 560000), (3136, 520000), (3185, 512000), (3200, 509600), (3250, 501760), (3328, 490000), (3500, 465920), (3584, 455000), (3640, 448000), (3920, 416000), (4000, 407680), (4096, 398125), (4160, 392000), (4375, 372736), (4480, 364000), (4550, 358400), (4900, 332800), (5000, 326144), (5096, 320000), (5120, 318500), (5200, 313600), (5600, 291200), (5824, 280000), (6125, 266240), (6272, 260000), (6370, 256000), (6400, 254800), (6500, 250880), (6656, 245000), (7000, 232960), (7168, 227500), (7280, 224000), (7840, 208000), (8000, 203840), (8125, 200704), (8320, 196000), (8750, 186368), (8960, 182000), (9100, 179200), (9800, 166400), (10000, 163072), (10192, 160000), (10240, 159250), (10400, 156800), (11200, 145600), (11375, 143360), (11648, 140000), (12250, 133120), (12544, 130000), (12740, 128000), (12800, 127400), (13000, 125440), (13312, 122500), (14000, 116480), (14336, 113750), (14560, 112000), (15680, 104000), (15925, 102400), (16000, 101920), (16250, 100352), (16640, 98000), (17500, 93184), (17920, 91000), (18200, 89600), (19600, 83200), (20000, 81536), (20384, 80000), (20480, 79625), (20800, 78400), (22400, 72800), (22750, 71680), (23296, 70000), (24500, 66560), (25088, 65000), (25480, 64000), (25600, 63700), (26000, 62720), (26624, 61250), (28000, 58240), (28672, 56875), (29120, 56000), (30625, 53248), (31360, 52000), (31850, 51200), (32000, 50960), (32500, 50176), (33280, 49000), (35000, 46592), (35840, 45500), (36400, 44800), (39200, 41600), (40000, 40768)]