178108840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 497871360

約数和(自身を除く): 319762520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 167, 182, 260, 280, 293, 334, 364, 455, 520, 586, 668, 728, 835, 910, 1169, 1172, 1336, 1465, 1670, 1820, 2051, 2171, 2338, 2344, 2930, 3340, 3640, 3809, 4102, 4342, 4676, 5845, 5860, 6680, 7618, 8204, 8684, 9352, 10255, 10855, 11690, 11720, 15197, 15236, 16408, 17368, 19045, 20510, 21710, 23380, 26663, 30394, 30472, 38090, 41020, 43420, 46760, 48931, 53326, 60788, 75985, 76180, 82040, 86840, 97862, 106652, 121576, 133315, 151970, 152360, 195724, 213304, 244655, 266630, 303940, 342517, 391448, 489310, 533260, 607880, 636103, 685034, 978620, 1066520, 1272206, 1370068, 1712585, 1957240, 2544412, 2740136, 3180515, 3425170, 4452721, 5088824, 6361030, 6850340, 8905442, 12722060, 13700680, 17810884, 22263605, 25444120, 35621768, 44527210, 89054420, 178108840]

約数ペア:

[(1, 178108840), (2, 89054420), (4, 44527210), (5, 35621768), (7, 25444120), (8, 22263605), (10, 17810884), (13, 13700680), (14, 12722060), (20, 8905442), (26, 6850340), (28, 6361030), (35, 5088824), (40, 4452721), (52, 3425170), (56, 3180515), (65, 2740136), (70, 2544412), (91, 1957240), (104, 1712585), (130, 1370068), (140, 1272206), (167, 1066520), (182, 978620), (260, 685034), (280, 636103), (293, 607880), (334, 533260), (364, 489310), (455, 391448), (520, 342517), (586, 303940), (668, 266630), (728, 244655), (835, 213304), (910, 195724), (1169, 152360), (1172, 151970), (1336, 133315), (1465, 121576), (1670, 106652), (1820, 97862), (2051, 86840), (2171, 82040), (2338, 76180), (2344, 75985), (2930, 60788), (3340, 53326), (3640, 48931), (3809, 46760), (4102, 43420), (4342, 41020), (4676, 38090), (5845, 30472), (5860, 30394), (6680, 26663), (7618, 23380), (8204, 21710), (8684, 20510), (9352, 19045), (10255, 17368), (10855, 16408), (11690, 15236), (11720, 15197)]