721474720

素因数分解:

$2^5\times 5^1\times {\mathrm{823}}^1\times {\mathrm{5479}}^1$

素因数の和:6317

約数の個数: 48

約数和(自身を含む): 1706866560

約数和(自身を除く): 985391840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 823, 1646, 3292, 4115, 5479, 6584, 8230, 10958, 13168, 16460, 21916, 26336, 27395, 32920, 43832, 54790, 65840, 87664, 109580, 131680, 175328, 219160, 438320, 876640, 4509217, 9018434, 18036868, 22546085, 36073736, 45092170, 72147472, 90184340, 144294944, 180368680, 360737360, 721474720]

約数ペア:

[(1, 721474720), (2, 360737360), (4, 180368680), (5, 144294944), (8, 90184340), (10, 72147472), (16, 45092170), (20, 36073736), (32, 22546085), (40, 18036868), (80, 9018434), (160, 4509217), (823, 876640), (1646, 438320), (3292, 219160), (4115, 175328), (5479, 131680), (6584, 109580), (8230, 87664), (10958, 65840), (13168, 54790), (16460, 43832), (21916, 32920), (26336, 27395)]