129184520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 297198720

約数和(自身を除く): 168014200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 167, 233, 332, 334, 415, 466, 664, 668, 830, 835, 932, 1165, 1336, 1660, 1670, 1864, 2330, 3320, 3340, 4660, 6680, 9320, 13861, 19339, 27722, 38678, 38911, 55444, 69305, 77356, 77822, 96695, 110888, 138610, 154712, 155644, 193390, 194555, 277220, 311288, 386780, 389110, 554440, 773560, 778220, 1556440, 3229613, 6459226, 12918452, 16148065, 25836904, 32296130, 64592260, 129184520]

約数ペア:

[(1, 129184520), (2, 64592260), (4, 32296130), (5, 25836904), (8, 16148065), (10, 12918452), (20, 6459226), (40, 3229613), (83, 1556440), (166, 778220), (167, 773560), (233, 554440), (332, 389110), (334, 386780), (415, 311288), (466, 277220), (664, 194555), (668, 193390), (830, 155644), (835, 154712), (932, 138610), (1165, 110888), (1336, 96695), (1660, 77822), (1670, 77356), (1864, 69305), (2330, 55444), (3320, 38911), (3340, 38678), (4660, 27722), (6680, 19339), (9320, 13861)]