51495080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 151683840

約数和(自身を除く): 100188760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 47, 49, 52, 56, 65, 70, 86, 91, 94, 98, 104, 130, 140, 172, 182, 188, 196, 215, 235, 245, 260, 280, 301, 329, 344, 364, 376, 392, 430, 455, 470, 490, 520, 559, 602, 611, 637, 658, 728, 860, 910, 940, 980, 1118, 1204, 1222, 1274, 1316, 1505, 1645, 1720, 1820, 1880, 1960, 2021, 2107, 2236, 2303, 2408, 2444, 2548, 2632, 2795, 3010, 3055, 3185, 3290, 3640, 3913, 4042, 4214, 4277, 4472, 4606, 4888, 5096, 5590, 6020, 6110, 6370, 6580, 7826, 8084, 8428, 8554, 9212, 10105, 10535, 11180, 11515, 12040, 12220, 12740, 13160, 14147, 15652, 16168, 16856, 17108, 18424, 19565, 20210, 21070, 21385, 22360, 23030, 24440, 25480, 26273, 27391, 28294, 29939, 31304, 34216, 39130, 40420, 42140, 42770, 46060, 52546, 54782, 56588, 59878, 70735, 78260, 80840, 84280, 85540, 92120, 99029, 105092, 109564, 113176, 119756, 131365, 136955, 141470, 149695, 156520, 171080, 183911, 198058, 210184, 219128, 239512, 262730, 273910, 282940, 299390, 367822, 396116, 495145, 525460, 547820, 565880, 598780, 735644, 792232, 919555, 990290, 1050920, 1095640, 1197560, 1287377, 1471288, 1839110, 1980580, 2574754, 3678220, 3961160, 5149508, 6436885, 7356440, 10299016, 12873770, 25747540, 51495080]

約数ペア:

[(1, 51495080), (2, 25747540), (4, 12873770), (5, 10299016), (7, 7356440), (8, 6436885), (10, 5149508), (13, 3961160), (14, 3678220), (20, 2574754), (26, 1980580), (28, 1839110), (35, 1471288), (40, 1287377), (43, 1197560), (47, 1095640), (49, 1050920), (52, 990290), (56, 919555), (65, 792232), (70, 735644), (86, 598780), (91, 565880), (94, 547820), (98, 525460), (104, 495145), (130, 396116), (140, 367822), (172, 299390), (182, 282940), (188, 273910), (196, 262730), (215, 239512), (235, 219128), (245, 210184), (260, 198058), (280, 183911), (301, 171080), (329, 156520), (344, 149695), (364, 141470), (376, 136955), (392, 131365), (430, 119756), (455, 113176), (470, 109564), (490, 105092), (520, 99029), (559, 92120), (602, 85540), (611, 84280), (637, 80840), (658, 78260), (728, 70735), (860, 59878), (910, 56588), (940, 54782), (980, 52546), (1118, 46060), (1204, 42770), (1222, 42140), (1274, 40420), (1316, 39130), (1505, 34216), (1645, 31304), (1720, 29939), (1820, 28294), (1880, 27391), (1960, 26273), (2021, 25480), (2107, 24440), (2236, 23030), (2303, 22360), (2408, 21385), (2444, 21070), (2548, 20210), (2632, 19565), (2795, 18424), (3010, 17108), (3055, 16856), (3185, 16168), (3290, 15652), (3640, 14147), (3913, 13160), (4042, 12740), (4214, 12220), (4277, 12040), (4472, 11515), (4606, 11180), (4888, 10535), (5096, 10105), (5590, 9212), (6020, 8554), (6110, 8428), (6370, 8084), (6580, 7826)]