20172382320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1\times {\mathrm{911}}^1$

素因数の和:1543

約数の個数: 160

約数和(自身を含む): 63021680640

約数和(自身を除く): 42849298320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 359, 514, 718, 771, 911, 1028, 1077, 1285, 1436, 1542, 1795, 1822, 2056, 2154, 2570, 2733, 2872, 3084, 3590, 3644, 3855, 4112, 4308, 4555, 5140, 5385, 5466, 5744, 6168, 7180, 7288, 7710, 8616, 9110, 10280, 10770, 10932, 12336, 13665, 14360, 14576, 15420, 17232, 18220, 20560, 21540, 21864, 27330, 28720, 30840, 36440, 43080, 43728, 54660, 61680, 72880, 86160, 92263, 109320, 184526, 218640, 234127, 276789, 327049, 369052, 461315, 468254, 553578, 654098, 702381, 738104, 922630, 936508, 981147, 1107156, 1170635, 1308196, 1383945, 1404762, 1476208, 1635245, 1845260, 1873016, 1962294, 2214312, 2341270, 2616392, 2767890, 2809524, 3270490, 3511905, 3690520, 3746032, 3924588, 4428624, 4682540, 4905735, 5232784, 5535780, 5619048, 6540980, 7023810, 7381040, 7849176, 9365080, 9811470, 11071560, 11238096, 13081960, 14047620, 15698352, 18730160, 19622940, 22143120, 26163920, 28095240, 39245880, 56190480, 78491760, 84051593, 168103186, 252154779, 336206372, 420257965, 504309558, 672412744, 840515930, 1008619116, 1260773895, 1344825488, 1681031860, 2017238232, 2521547790, 3362063720, 4034476464, 5043095580, 6724127440, 10086191160, 20172382320]

約数ペア:

[(1, 20172382320), (2, 10086191160), (3, 6724127440), (4, 5043095580), (5, 4034476464), (6, 3362063720), (8, 2521547790), (10, 2017238232), (12, 1681031860), (15, 1344825488), (16, 1260773895), (20, 1008619116), (24, 840515930), (30, 672412744), (40, 504309558), (48, 420257965), (60, 336206372), (80, 252154779), (120, 168103186), (240, 84051593), (257, 78491760), (359, 56190480), (514, 39245880), (718, 28095240), (771, 26163920), (911, 22143120), (1028, 19622940), (1077, 18730160), (1285, 15698352), (1436, 14047620), (1542, 13081960), (1795, 11238096), (1822, 11071560), (2056, 9811470), (2154, 9365080), (2570, 7849176), (2733, 7381040), (2872, 7023810), (3084, 6540980), (3590, 5619048), (3644, 5535780), (3855, 5232784), (4112, 4905735), (4308, 4682540), (4555, 4428624), (5140, 3924588), (5385, 3746032), (5466, 3690520), (5744, 3511905), (6168, 3270490), (7180, 2809524), (7288, 2767890), (7710, 2616392), (8616, 2341270), (9110, 2214312), (10280, 1962294), (10770, 1873016), (10932, 1845260), (12336, 1635245), (13665, 1476208), (14360, 1404762), (14576, 1383945), (15420, 1308196), (17232, 1170635), (18220, 1107156), (20560, 981147), (21540, 936508), (21864, 922630), (27330, 738104), (28720, 702381), (30840, 654098), (36440, 553578), (43080, 468254), (43728, 461315), (54660, 369052), (61680, 327049), (72880, 276789), (86160, 234127), (92263, 218640), (109320, 184526)]