1771840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{113}}^1$

素因数の和:144

約数の個数: 84

約数和(自身を含む): 4951476

約数和(自身を除く): 3179636

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 113, 140, 160, 196, 224, 226, 245, 280, 320, 392, 448, 452, 490, 560, 565, 784, 791, 904, 980, 1120, 1130, 1568, 1582, 1808, 1960, 2240, 2260, 3136, 3164, 3616, 3920, 3955, 4520, 5537, 6328, 7232, 7840, 7910, 9040, 11074, 12656, 15680, 15820, 18080, 22148, 25312, 27685, 31640, 36160, 44296, 50624, 55370, 63280, 88592, 110740, 126560, 177184, 221480, 253120, 354368, 442960, 885920, 1771840]

約数ペア:

[(1, 1771840), (2, 885920), (4, 442960), (5, 354368), (7, 253120), (8, 221480), (10, 177184), (14, 126560), (16, 110740), (20, 88592), (28, 63280), (32, 55370), (35, 50624), (40, 44296), (49, 36160), (56, 31640), (64, 27685), (70, 25312), (80, 22148), (98, 18080), (112, 15820), (113, 15680), (140, 12656), (160, 11074), (196, 9040), (224, 7910), (226, 7840), (245, 7232), (280, 6328), (320, 5537), (392, 4520), (448, 3955), (452, 3920), (490, 3616), (560, 3164), (565, 3136), (784, 2260), (791, 2240), (904, 1960), (980, 1808), (1120, 1582), (1130, 1568)]