1556720640

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{11261}}^1$

素因数の和:11295

約数の個数: 176

約数和(自身を含む): 5532795360

約数和(自身を除く): 3976074720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3072, 3456, 3840, 4320, 4608, 5120, 5760, 6912, 7680, 8640, 9216, 11261, 11520, 13824, 15360, 17280, 22522, 23040, 27648, 33783, 34560, 45044, 46080, 56305, 67566, 69120, 90088, 101349, 112610, 135132, 138240, 168915, 180176, 202698, 225220, 270264, 304047, 337830, 360352, 405396, 450440, 506745, 540528, 608094, 675660, 720704, 810792, 900880, 1013490, 1081056, 1216188, 1351320, 1441408, 1520235, 1621584, 1801760, 2026980, 2162112, 2432376, 2702640, 2882816, 3040470, 3243168, 3603520, 4053960, 4324224, 4864752, 5405280, 5765632, 6080940, 6486336, 7207040, 8107920, 8648448, 9729504, 10810560, 11531264, 12161880, 12972672, 14414080, 16215840, 17296896, 19459008, 21621120, 24323760, 25945344, 28828160, 32431680, 34593792, 38918016, 43242240, 48647520, 51890688, 57656320, 64863360, 77836032, 86484480, 97295040, 103781376, 129726720, 155672064, 172968960, 194590080, 259453440, 311344128, 389180160, 518906880, 778360320, 1556720640]

約数ペア:

[(1, 1556720640), (2, 778360320), (3, 518906880), (4, 389180160), (5, 311344128), (6, 259453440), (8, 194590080), (9, 172968960), (10, 155672064), (12, 129726720), (15, 103781376), (16, 97295040), (18, 86484480), (20, 77836032), (24, 64863360), (27, 57656320), (30, 51890688), (32, 48647520), (36, 43242240), (40, 38918016), (45, 34593792), (48, 32431680), (54, 28828160), (60, 25945344), (64, 24323760), (72, 21621120), (80, 19459008), (90, 17296896), (96, 16215840), (108, 14414080), (120, 12972672), (128, 12161880), (135, 11531264), (144, 10810560), (160, 9729504), (180, 8648448), (192, 8107920), (216, 7207040), (240, 6486336), (256, 6080940), (270, 5765632), (288, 5405280), (320, 4864752), (360, 4324224), (384, 4053960), (432, 3603520), (480, 3243168), (512, 3040470), (540, 2882816), (576, 2702640), (640, 2432376), (720, 2162112), (768, 2026980), (864, 1801760), (960, 1621584), (1024, 1520235), (1080, 1441408), (1152, 1351320), (1280, 1216188), (1440, 1081056), (1536, 1013490), (1728, 900880), (1920, 810792), (2160, 720704), (2304, 675660), (2560, 608094), (2880, 540528), (3072, 506745), (3456, 450440), (3840, 405396), (4320, 360352), (4608, 337830), (5120, 304047), (5760, 270264), (6912, 225220), (7680, 202698), (8640, 180176), (9216, 168915), (11261, 138240), (11520, 135132), (13824, 112610), (15360, 101349), (17280, 90088), (22522, 69120), (23040, 67566), (27648, 56305), (33783, 46080), (34560, 45044)]