2556780800

素因数分解:

$2^8\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 324

約数和(自身を含む): 7628011776

約数和(自身を除く): 5071230976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 56, 62, 64, 70, 80, 98, 100, 112, 124, 128, 140, 155, 160, 175, 196, 200, 217, 224, 245, 248, 256, 263, 280, 310, 320, 350, 392, 400, 434, 448, 490, 496, 526, 560, 620, 640, 700, 775, 784, 800, 868, 896, 980, 992, 1052, 1085, 1120, 1225, 1240, 1280, 1315, 1400, 1519, 1550, 1568, 1600, 1736, 1792, 1841, 1960, 1984, 2104, 2170, 2240, 2450, 2480, 2630, 2800, 3038, 3100, 3136, 3200, 3472, 3682, 3920, 3968, 4208, 4340, 4480, 4900, 4960, 5260, 5425, 5600, 6076, 6200, 6272, 6400, 6575, 6944, 7364, 7595, 7840, 7936, 8153, 8416, 8680, 8960, 9205, 9800, 9920, 10520, 10850, 11200, 12152, 12400, 12544, 12887, 13150, 13888, 14728, 15190, 15680, 16306, 16832, 17360, 18410, 19600, 19840, 21040, 21700, 22400, 24304, 24800, 25774, 26300, 27776, 29456, 30380, 31360, 32612, 33664, 34720, 36820, 37975, 39200, 39680, 40765, 42080, 43400, 44800, 46025, 48608, 49600, 51548, 52600, 55552, 57071, 58912, 60760, 62720, 64435, 65224, 67328, 69440, 73640, 75950, 78400, 81530, 84160, 86800, 92050, 97216, 99200, 103096, 105200, 114142, 117824, 121520, 128870, 130448, 138880, 147280, 151900, 156800, 163060, 168320, 173600, 184100, 194432, 198400, 203825, 206192, 210400, 228284, 235648, 243040, 257740, 260896, 277760, 285355, 294560, 303800, 313600, 322175, 326120, 336640, 347200, 368200, 388864, 399497, 407650, 412384, 420800, 456568, 471296, 486080, 515480, 521792, 570710, 589120, 607600, 644350, 652240, 694400, 736400, 798994, 815300, 824768, 841600, 913136, 972160, 1030960, 1043584, 1141420, 1178240, 1215200, 1288700, 1304480, 1388800, 1426775, 1472800, 1597988, 1630600, 1649536, 1683200, 1826272, 1944320, 1997485, 2061920, 2087168, 2282840, 2356480, 2430400, 2577400, 2608960, 2853550, 2945600, 3195976, 3261200, 3299072, 3652544, 3994970, 4123840, 4565680, 4860800, 5154800, 5217920, 5707100, 5891200, 6391952, 6522400, 7305088, 7989940, 8247680, 9131360, 9721600, 9987425, 10309600, 10435840, 11414200, 11782400, 12783904, 13044800, 14610176, 15979880, 16495360, 18262720, 19974850, 20619200, 22828400, 25567808, 26089600, 31959760, 36525440, 39949700, 41238400, 45656800, 51135616, 52179200, 63919520, 73050880, 79899400, 82476800, 91313600, 102271232, 127839040, 159798800, 182627200, 255678080, 319597600, 365254400, 511356160, 639195200, 1278390400, 2556780800]

約数ペア:

[(1, 2556780800), (2, 1278390400), (4, 639195200), (5, 511356160), (7, 365254400), (8, 319597600), (10, 255678080), (14, 182627200), (16, 159798800), (20, 127839040), (25, 102271232), (28, 91313600), (31, 82476800), (32, 79899400), (35, 73050880), (40, 63919520), (49, 52179200), (50, 51135616), (56, 45656800), (62, 41238400), (64, 39949700), (70, 36525440), (80, 31959760), (98, 26089600), (100, 25567808), (112, 22828400), (124, 20619200), (128, 19974850), (140, 18262720), (155, 16495360), (160, 15979880), (175, 14610176), (196, 13044800), (200, 12783904), (217, 11782400), (224, 11414200), (245, 10435840), (248, 10309600), (256, 9987425), (263, 9721600), (280, 9131360), (310, 8247680), (320, 7989940), (350, 7305088), (392, 6522400), (400, 6391952), (434, 5891200), (448, 5707100), (490, 5217920), (496, 5154800), (526, 4860800), (560, 4565680), (620, 4123840), (640, 3994970), (700, 3652544), (775, 3299072), (784, 3261200), (800, 3195976), (868, 2945600), (896, 2853550), (980, 2608960), (992, 2577400), (1052, 2430400), (1085, 2356480), (1120, 2282840), (1225, 2087168), (1240, 2061920), (1280, 1997485), (1315, 1944320), (1400, 1826272), (1519, 1683200), (1550, 1649536), (1568, 1630600), (1600, 1597988), (1736, 1472800), (1792, 1426775), (1841, 1388800), (1960, 1304480), (1984, 1288700), (2104, 1215200), (2170, 1178240), (2240, 1141420), (2450, 1043584), (2480, 1030960), (2630, 972160), (2800, 913136), (3038, 841600), (3100, 824768), (3136, 815300), (3200, 798994), (3472, 736400), (3682, 694400), (3920, 652240), (3968, 644350), (4208, 607600), (4340, 589120), (4480, 570710), (4900, 521792), (4960, 515480), (5260, 486080), (5425, 471296), (5600, 456568), (6076, 420800), (6200, 412384), (6272, 407650), (6400, 399497), (6575, 388864), (6944, 368200), (7364, 347200), (7595, 336640), (7840, 326120), (7936, 322175), (8153, 313600), (8416, 303800), (8680, 294560), (8960, 285355), (9205, 277760), (9800, 260896), (9920, 257740), (10520, 243040), (10850, 235648), (11200, 228284), (12152, 210400), (12400, 206192), (12544, 203825), (12887, 198400), (13150, 194432), (13888, 184100), (14728, 173600), (15190, 168320), (15680, 163060), (16306, 156800), (16832, 151900), (17360, 147280), (18410, 138880), (19600, 130448), (19840, 128870), (21040, 121520), (21700, 117824), (22400, 114142), (24304, 105200), (24800, 103096), (25774, 99200), (26300, 97216), (27776, 92050), (29456, 86800), (30380, 84160), (31360, 81530), (32612, 78400), (33664, 75950), (34720, 73640), (36820, 69440), (37975, 67328), (39200, 65224), (39680, 64435), (40765, 62720), (42080, 60760), (43400, 58912), (44800, 57071), (46025, 55552), (48608, 52600), (49600, 51548)]