87440360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 235008000

約数和(自身を除く): 147567640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 67, 70, 79, 118, 134, 140, 158, 236, 268, 280, 295, 316, 335, 395, 413, 469, 472, 536, 553, 590, 632, 670, 790, 826, 938, 1106, 1180, 1340, 1580, 1652, 1876, 2065, 2212, 2345, 2360, 2680, 2765, 3160, 3304, 3752, 3953, 4130, 4424, 4661, 4690, 5293, 5530, 7906, 8260, 9322, 9380, 10586, 11060, 15812, 16520, 18644, 18760, 19765, 21172, 22120, 23305, 26465, 27671, 31624, 32627, 37051, 37288, 39530, 42344, 46610, 52930, 55342, 65254, 74102, 79060, 93220, 105860, 110684, 130508, 138355, 148204, 158120, 163135, 185255, 186440, 211720, 221368, 261016, 276710, 296408, 312287, 326270, 370510, 553420, 624574, 652540, 741020, 1106840, 1249148, 1305080, 1482040, 1561435, 2186009, 2498296, 3122870, 4372018, 6245740, 8744036, 10930045, 12491480, 17488072, 21860090, 43720180, 87440360]

約数ペア:

[(1, 87440360), (2, 43720180), (4, 21860090), (5, 17488072), (7, 12491480), (8, 10930045), (10, 8744036), (14, 6245740), (20, 4372018), (28, 3122870), (35, 2498296), (40, 2186009), (56, 1561435), (59, 1482040), (67, 1305080), (70, 1249148), (79, 1106840), (118, 741020), (134, 652540), (140, 624574), (158, 553420), (236, 370510), (268, 326270), (280, 312287), (295, 296408), (316, 276710), (335, 261016), (395, 221368), (413, 211720), (469, 186440), (472, 185255), (536, 163135), (553, 158120), (590, 148204), (632, 138355), (670, 130508), (790, 110684), (826, 105860), (938, 93220), (1106, 79060), (1180, 74102), (1340, 65254), (1580, 55342), (1652, 52930), (1876, 46610), (2065, 42344), (2212, 39530), (2345, 37288), (2360, 37051), (2680, 32627), (2765, 31624), (3160, 27671), (3304, 26465), (3752, 23305), (3953, 22120), (4130, 21172), (4424, 19765), (4661, 18760), (4690, 18644), (5293, 16520), (5530, 15812), (7906, 11060), (8260, 10586), (9322, 9380)]