628001280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 240

約数和(自身を含む): 2205186984

約数和(自身を除く): 1577185704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 97, 120, 128, 144, 160, 180, 192, 194, 240, 256, 281, 288, 291, 320, 360, 384, 388, 480, 485, 512, 562, 576, 582, 640, 720, 768, 776, 843, 873, 960, 970, 1124, 1152, 1164, 1280, 1405, 1440, 1455, 1536, 1552, 1686, 1746, 1920, 1940, 2248, 2304, 2328, 2529, 2560, 2810, 2880, 2910, 3104, 3372, 3492, 3840, 3880, 4215, 4365, 4496, 4608, 4656, 5058, 5620, 5760, 5820, 6208, 6744, 6984, 7680, 7760, 8430, 8730, 8992, 9312, 10116, 11240, 11520, 11640, 12416, 12645, 13488, 13968, 15520, 16860, 17460, 17984, 18624, 20232, 22480, 23040, 23280, 24832, 25290, 26976, 27257, 27936, 31040, 33720, 34920, 35968, 37248, 40464, 44960, 46560, 49664, 50580, 53952, 54514, 55872, 62080, 67440, 69840, 71936, 74496, 80928, 81771, 89920, 93120, 101160, 107904, 109028, 111744, 124160, 134880, 136285, 139680, 143872, 148992, 161856, 163542, 179840, 186240, 202320, 215808, 218056, 223488, 245313, 248320, 269760, 272570, 279360, 323712, 327084, 359680, 372480, 404640, 408855, 431616, 436112, 446976, 490626, 539520, 545140, 558720, 647424, 654168, 719360, 744960, 809280, 817710, 872224, 981252, 1079040, 1090280, 1117440, 1226565, 1294848, 1308336, 1618560, 1635420, 1744448, 1962504, 2158080, 2180560, 2234880, 2453130, 2616672, 3237120, 3270840, 3488896, 3925008, 4361120, 4906260, 5233344, 6474240, 6541680, 6977792, 7850016, 8722240, 9812520, 10466688, 13083360, 13955584, 15700032, 17444480, 19625040, 20933376, 26166720, 31400064, 34888960, 39250080, 41866752, 52333440, 62800128, 69777920, 78500160, 104666880, 125600256, 157000320, 209333760, 314000640, 628001280]

約数ペア:

[(1, 628001280), (2, 314000640), (3, 209333760), (4, 157000320), (5, 125600256), (6, 104666880), (8, 78500160), (9, 69777920), (10, 62800128), (12, 52333440), (15, 41866752), (16, 39250080), (18, 34888960), (20, 31400064), (24, 26166720), (30, 20933376), (32, 19625040), (36, 17444480), (40, 15700032), (45, 13955584), (48, 13083360), (60, 10466688), (64, 9812520), (72, 8722240), (80, 7850016), (90, 6977792), (96, 6541680), (97, 6474240), (120, 5233344), (128, 4906260), (144, 4361120), (160, 3925008), (180, 3488896), (192, 3270840), (194, 3237120), (240, 2616672), (256, 2453130), (281, 2234880), (288, 2180560), (291, 2158080), (320, 1962504), (360, 1744448), (384, 1635420), (388, 1618560), (480, 1308336), (485, 1294848), (512, 1226565), (562, 1117440), (576, 1090280), (582, 1079040), (640, 981252), (720, 872224), (768, 817710), (776, 809280), (843, 744960), (873, 719360), (960, 654168), (970, 647424), (1124, 558720), (1152, 545140), (1164, 539520), (1280, 490626), (1405, 446976), (1440, 436112), (1455, 431616), (1536, 408855), (1552, 404640), (1686, 372480), (1746, 359680), (1920, 327084), (1940, 323712), (2248, 279360), (2304, 272570), (2328, 269760), (2529, 248320), (2560, 245313), (2810, 223488), (2880, 218056), (2910, 215808), (3104, 202320), (3372, 186240), (3492, 179840), (3840, 163542), (3880, 161856), (4215, 148992), (4365, 143872), (4496, 139680), (4608, 136285), (4656, 134880), (5058, 124160), (5620, 111744), (5760, 109028), (5820, 107904), (6208, 101160), (6744, 93120), (6984, 89920), (7680, 81771), (7760, 80928), (8430, 74496), (8730, 71936), (8992, 69840), (9312, 67440), (10116, 62080), (11240, 55872), (11520, 54514), (11640, 53952), (12416, 50580), (12645, 49664), (13488, 46560), (13968, 44960), (15520, 40464), (16860, 37248), (17460, 35968), (17984, 34920), (18624, 33720), (20232, 31040), (22480, 27936), (23040, 27257), (23280, 26976), (24832, 25290)]