71304320

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2653

約数の個数: 64

約数和(自身を含む): 174493440

約数和(自身を除く): 103189120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2591, 2752, 3440, 5182, 5504, 6880, 10364, 12955, 13760, 20728, 25910, 27520, 41456, 51820, 82912, 103640, 111413, 165824, 207280, 222826, 331648, 414560, 445652, 557065, 829120, 891304, 1114130, 1658240, 1782608, 2228260, 3565216, 4456520, 7130432, 8913040, 14260864, 17826080, 35652160, 71304320]

約数ペア:

[(1, 71304320), (2, 35652160), (4, 17826080), (5, 14260864), (8, 8913040), (10, 7130432), (16, 4456520), (20, 3565216), (32, 2228260), (40, 1782608), (43, 1658240), (64, 1114130), (80, 891304), (86, 829120), (128, 557065), (160, 445652), (172, 414560), (215, 331648), (320, 222826), (344, 207280), (430, 165824), (640, 111413), (688, 103640), (860, 82912), (1376, 51820), (1720, 41456), (2591, 27520), (2752, 25910), (3440, 20728), (5182, 13760), (5504, 12955), (6880, 10364)]