2100691840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1549}}^1$

素因数の和:1744

約数の個数: 128

約数和(自身を含む): 5444964000

約数和(自身を除く): 3344272160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 163, 208, 260, 320, 326, 416, 520, 640, 652, 815, 832, 1040, 1304, 1549, 1630, 1664, 2080, 2119, 2608, 3098, 3260, 4160, 4238, 5216, 6196, 6520, 7745, 8320, 8476, 10432, 10595, 12392, 13040, 15490, 16952, 20137, 20864, 21190, 24784, 26080, 30980, 33904, 40274, 42380, 49568, 52160, 61960, 67808, 80548, 84760, 99136, 100685, 104320, 123920, 135616, 161096, 169520, 198272, 201370, 247840, 252487, 271232, 322192, 339040, 402740, 495680, 504974, 644384, 678080, 805480, 991360, 1009948, 1262435, 1288768, 1356160, 1610960, 2019896, 2524870, 2577536, 3221920, 3282331, 4039792, 5049740, 6443840, 6564662, 8079584, 10099480, 12887680, 13129324, 16159168, 16411655, 20198960, 26258648, 32318336, 32823310, 40397920, 52517296, 65646620, 80795840, 105034592, 131293240, 161591680, 210069184, 262586480, 420138368, 525172960, 1050345920, 2100691840]

約数ペア:

[(1, 2100691840), (2, 1050345920), (4, 525172960), (5, 420138368), (8, 262586480), (10, 210069184), (13, 161591680), (16, 131293240), (20, 105034592), (26, 80795840), (32, 65646620), (40, 52517296), (52, 40397920), (64, 32823310), (65, 32318336), (80, 26258648), (104, 20198960), (128, 16411655), (130, 16159168), (160, 13129324), (163, 12887680), (208, 10099480), (260, 8079584), (320, 6564662), (326, 6443840), (416, 5049740), (520, 4039792), (640, 3282331), (652, 3221920), (815, 2577536), (832, 2524870), (1040, 2019896), (1304, 1610960), (1549, 1356160), (1630, 1288768), (1664, 1262435), (2080, 1009948), (2119, 991360), (2608, 805480), (3098, 678080), (3260, 644384), (4160, 504974), (4238, 495680), (5216, 402740), (6196, 339040), (6520, 322192), (7745, 271232), (8320, 252487), (8476, 247840), (10432, 201370), (10595, 198272), (12392, 169520), (13040, 161096), (15490, 135616), (16952, 123920), (20137, 104320), (20864, 100685), (21190, 99136), (24784, 84760), (26080, 80548), (30980, 67808), (33904, 61960), (40274, 52160), (42380, 49568)]