640051200

素因数分解:

$2^{11}\times 3^3\times 5^2\times {\mathrm{463}}^1$

素因数の和:504

約数の個数: 288

約数和(自身を含む): 2356099200

約数和(自身を除く): 1716048000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 360, 384, 400, 432, 450, 463, 480, 512, 540, 576, 600, 640, 675, 720, 768, 800, 864, 900, 926, 960, 1024, 1080, 1152, 1200, 1280, 1350, 1389, 1440, 1536, 1600, 1728, 1800, 1852, 1920, 2048, 2160, 2304, 2315, 2400, 2560, 2700, 2778, 2880, 3072, 3200, 3456, 3600, 3704, 3840, 4167, 4320, 4608, 4630, 4800, 5120, 5400, 5556, 5760, 6144, 6400, 6912, 6945, 7200, 7408, 7680, 8334, 8640, 9216, 9260, 9600, 10240, 10800, 11112, 11520, 11575, 12501, 12800, 13824, 13890, 14400, 14816, 15360, 16668, 17280, 18432, 18520, 19200, 20835, 21600, 22224, 23040, 23150, 25002, 25600, 27648, 27780, 28800, 29632, 30720, 33336, 34560, 34725, 37040, 38400, 41670, 43200, 44448, 46080, 46300, 50004, 51200, 55296, 55560, 57600, 59264, 62505, 66672, 69120, 69450, 74080, 76800, 83340, 86400, 88896, 92160, 92600, 100008, 104175, 111120, 115200, 118528, 125010, 133344, 138240, 138900, 148160, 153600, 166680, 172800, 177792, 185200, 200016, 208350, 222240, 230400, 237056, 250020, 266688, 276480, 277800, 296320, 312525, 333360, 345600, 355584, 370400, 400032, 416700, 444480, 460800, 474112, 500040, 533376, 555600, 592640, 625050, 666720, 691200, 711168, 740800, 800064, 833400, 888960, 948224, 1000080, 1066752, 1111200, 1185280, 1250100, 1333440, 1382400, 1422336, 1481600, 1600128, 1666800, 1777920, 2000160, 2133504, 2222400, 2370560, 2500200, 2666880, 2844672, 2963200, 3200256, 3333600, 3555840, 4000320, 4267008, 4444800, 4741120, 5000400, 5333760, 5926400, 6400512, 6667200, 7111680, 8000640, 8534016, 8889600, 10000800, 10667520, 11852800, 12801024, 13334400, 14223360, 16001280, 17779200, 20001600, 21335040, 23705600, 25602048, 26668800, 32002560, 35558400, 40003200, 42670080, 53337600, 64005120, 71116800, 80006400, 106675200, 128010240, 160012800, 213350400, 320025600, 640051200]

約数ペア:

[(1, 640051200), (2, 320025600), (3, 213350400), (4, 160012800), (5, 128010240), (6, 106675200), (8, 80006400), (9, 71116800), (10, 64005120), (12, 53337600), (15, 42670080), (16, 40003200), (18, 35558400), (20, 32002560), (24, 26668800), (25, 25602048), (27, 23705600), (30, 21335040), (32, 20001600), (36, 17779200), (40, 16001280), (45, 14223360), (48, 13334400), (50, 12801024), (54, 11852800), (60, 10667520), (64, 10000800), (72, 8889600), (75, 8534016), (80, 8000640), (90, 7111680), (96, 6667200), (100, 6400512), (108, 5926400), (120, 5333760), (128, 5000400), (135, 4741120), (144, 4444800), (150, 4267008), (160, 4000320), (180, 3555840), (192, 3333600), (200, 3200256), (216, 2963200), (225, 2844672), (240, 2666880), (256, 2500200), (270, 2370560), (288, 2222400), (300, 2133504), (320, 2000160), (360, 1777920), (384, 1666800), (400, 1600128), (432, 1481600), (450, 1422336), (463, 1382400), (480, 1333440), (512, 1250100), (540, 1185280), (576, 1111200), (600, 1066752), (640, 1000080), (675, 948224), (720, 888960), (768, 833400), (800, 800064), (864, 740800), (900, 711168), (926, 691200), (960, 666720), (1024, 625050), (1080, 592640), (1152, 555600), (1200, 533376), (1280, 500040), (1350, 474112), (1389, 460800), (1440, 444480), (1536, 416700), (1600, 400032), (1728, 370400), (1800, 355584), (1852, 345600), (1920, 333360), (2048, 312525), (2160, 296320), (2304, 277800), (2315, 276480), (2400, 266688), (2560, 250020), (2700, 237056), (2778, 230400), (2880, 222240), (3072, 208350), (3200, 200016), (3456, 185200), (3600, 177792), (3704, 172800), (3840, 166680), (4167, 153600), (4320, 148160), (4608, 138900), (4630, 138240), (4800, 133344), (5120, 125010), (5400, 118528), (5556, 115200), (5760, 111120), (6144, 104175), (6400, 100008), (6912, 92600), (6945, 92160), (7200, 88896), (7408, 86400), (7680, 83340), (8334, 76800), (8640, 74080), (9216, 69450), (9260, 69120), (9600, 66672), (10240, 62505), (10800, 59264), (11112, 57600), (11520, 55560), (11575, 55296), (12501, 51200), (12800, 50004), (13824, 46300), (13890, 46080), (14400, 44448), (14816, 43200), (15360, 41670), (16668, 38400), (17280, 37040), (18432, 34725), (18520, 34560), (19200, 33336), (20835, 30720), (21600, 29632), (22224, 28800), (23040, 27780), (23150, 27648), (25002, 25600)]