280205657840

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1\times {\mathrm{107273}}^1$

素因数の和:107706

約数の個数: 80

約数和(自身を含む): 659884425408

約数和(自身を除く): 379678767568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 317, 412, 515, 634, 824, 1030, 1268, 1585, 1648, 2060, 2536, 3170, 4120, 5072, 6340, 8240, 12680, 25360, 32651, 65302, 107273, 130604, 163255, 214546, 261208, 326510, 429092, 522416, 536365, 653020, 858184, 1072730, 1306040, 1716368, 2145460, 2612080, 4290920, 8581840, 11049119, 22098238, 34005541, 44196476, 55245595, 68011082, 88392952, 110491190, 136022164, 170027705, 176785904, 220982380, 272044328, 340055410, 441964760, 544088656, 680110820, 883929520, 1360221640, 2720443280, 3502570723, 7005141446, 14010282892, 17512853615, 28020565784, 35025707230, 56041131568, 70051414460, 140102828920, 280205657840]

約数ペア:

[(1, 280205657840), (2, 140102828920), (4, 70051414460), (5, 56041131568), (8, 35025707230), (10, 28020565784), (16, 17512853615), (20, 14010282892), (40, 7005141446), (80, 3502570723), (103, 2720443280), (206, 1360221640), (317, 883929520), (412, 680110820), (515, 544088656), (634, 441964760), (824, 340055410), (1030, 272044328), (1268, 220982380), (1585, 176785904), (1648, 170027705), (2060, 136022164), (2536, 110491190), (3170, 88392952), (4120, 68011082), (5072, 55245595), (6340, 44196476), (8240, 34005541), (12680, 22098238), (25360, 11049119), (32651, 8581840), (65302, 4290920), (107273, 2612080), (130604, 2145460), (163255, 1716368), (214546, 1306040), (261208, 1072730), (326510, 858184), (429092, 653020), (522416, 536365)]