72783520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 179625600

約数和(自身を除く): 106842080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 71, 80, 86, 142, 149, 160, 172, 215, 284, 298, 344, 355, 430, 568, 596, 688, 710, 745, 860, 1136, 1192, 1376, 1420, 1490, 1720, 2272, 2384, 2840, 2980, 3053, 3440, 4768, 5680, 5960, 6106, 6407, 6880, 10579, 11360, 11920, 12212, 12814, 15265, 21158, 23840, 24424, 25628, 30530, 32035, 42316, 48848, 51256, 52895, 61060, 64070, 84632, 97696, 102512, 105790, 122120, 128140, 169264, 205024, 211580, 244240, 256280, 338528, 423160, 454897, 488480, 512560, 846320, 909794, 1025120, 1692640, 1819588, 2274485, 3639176, 4548970, 7278352, 9097940, 14556704, 18195880, 36391760, 72783520]

約数ペア:

[(1, 72783520), (2, 36391760), (4, 18195880), (5, 14556704), (8, 9097940), (10, 7278352), (16, 4548970), (20, 3639176), (32, 2274485), (40, 1819588), (43, 1692640), (71, 1025120), (80, 909794), (86, 846320), (142, 512560), (149, 488480), (160, 454897), (172, 423160), (215, 338528), (284, 256280), (298, 244240), (344, 211580), (355, 205024), (430, 169264), (568, 128140), (596, 122120), (688, 105790), (710, 102512), (745, 97696), (860, 84632), (1136, 64070), (1192, 61060), (1376, 52895), (1420, 51256), (1490, 48848), (1720, 42316), (2272, 32035), (2384, 30530), (2840, 25628), (2980, 24424), (3053, 23840), (3440, 21158), (4768, 15265), (5680, 12814), (5960, 12212), (6106, 11920), (6407, 11360), (6880, 10579)]