16504479920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:727

約数の個数: 160

約数和(自身を含む): 41168668608

約数和(自身を除く): 24664188688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 193, 227, 272, 277, 340, 386, 454, 554, 680, 772, 908, 965, 1108, 1135, 1360, 1385, 1544, 1816, 1930, 2216, 2270, 2770, 3088, 3281, 3632, 3859, 3860, 4432, 4540, 4709, 5540, 6562, 7718, 7720, 9080, 9418, 11080, 13124, 15436, 15440, 16405, 18160, 18836, 19295, 22160, 23545, 26248, 30872, 32810, 37672, 38590, 43811, 47090, 52496, 53461, 61744, 62879, 65620, 75344, 77180, 87622, 94180, 106922, 125758, 131240, 154360, 175244, 188360, 213844, 219055, 251516, 262480, 267305, 308720, 314395, 350488, 376720, 427688, 438110, 503032, 534610, 628790, 700976, 744787, 855376, 876220, 908837, 1006064, 1068943, 1069220, 1257580, 1489574, 1752440, 1817674, 2137886, 2138440, 2515160, 2979148, 3504880, 3635348, 3723935, 4275772, 4276880, 4544185, 5030320, 5344715, 5958296, 7270696, 7447870, 8551544, 9088370, 10689430, 11916592, 12135647, 14541392, 14895740, 17103088, 18176740, 21378860, 24271294, 29791480, 36353480, 42757720, 48542588, 59582960, 60678235, 72706960, 85515440, 97085176, 121356470, 194170352, 206305999, 242712940, 412611998, 485425880, 825223996, 970851760, 1031529995, 1650447992, 2063059990, 3300895984, 4126119980, 8252239960, 16504479920]

約数ペア:

[(1, 16504479920), (2, 8252239960), (4, 4126119980), (5, 3300895984), (8, 2063059990), (10, 1650447992), (16, 1031529995), (17, 970851760), (20, 825223996), (34, 485425880), (40, 412611998), (68, 242712940), (80, 206305999), (85, 194170352), (136, 121356470), (170, 97085176), (193, 85515440), (227, 72706960), (272, 60678235), (277, 59582960), (340, 48542588), (386, 42757720), (454, 36353480), (554, 29791480), (680, 24271294), (772, 21378860), (908, 18176740), (965, 17103088), (1108, 14895740), (1135, 14541392), (1360, 12135647), (1385, 11916592), (1544, 10689430), (1816, 9088370), (1930, 8551544), (2216, 7447870), (2270, 7270696), (2770, 5958296), (3088, 5344715), (3281, 5030320), (3632, 4544185), (3859, 4276880), (3860, 4275772), (4432, 3723935), (4540, 3635348), (4709, 3504880), (5540, 2979148), (6562, 2515160), (7718, 2138440), (7720, 2137886), (9080, 1817674), (9418, 1752440), (11080, 1489574), (13124, 1257580), (15436, 1069220), (15440, 1068943), (16405, 1006064), (18160, 908837), (18836, 876220), (19295, 855376), (22160, 744787), (23545, 700976), (26248, 628790), (30872, 534610), (32810, 503032), (37672, 438110), (38590, 427688), (43811, 376720), (47090, 350488), (52496, 314395), (53461, 308720), (61744, 267305), (62879, 262480), (65620, 251516), (75344, 219055), (77180, 213844), (87622, 188360), (94180, 175244), (106922, 154360), (125758, 131240)]