16504180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1531}}^1$

素因数の和:1565

約数の個数: 72

約数和(自身を含む): 44011296

約数和(自身を除く): 27507116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1531, 1540, 2156, 2695, 3062, 5390, 6124, 7655, 10717, 10780, 15310, 16841, 21434, 30620, 33682, 42868, 53585, 67364, 75019, 84205, 107170, 117887, 150038, 168410, 214340, 235774, 300076, 336820, 375095, 471548, 589435, 750190, 825209, 1178870, 1500380, 1650418, 2357740, 3300836, 4126045, 8252090, 16504180]

約数ペア:

[(1, 16504180), (2, 8252090), (4, 4126045), (5, 3300836), (7, 2357740), (10, 1650418), (11, 1500380), (14, 1178870), (20, 825209), (22, 750190), (28, 589435), (35, 471548), (44, 375095), (49, 336820), (55, 300076), (70, 235774), (77, 214340), (98, 168410), (110, 150038), (140, 117887), (154, 107170), (196, 84205), (220, 75019), (245, 67364), (308, 53585), (385, 42868), (490, 33682), (539, 30620), (770, 21434), (980, 16841), (1078, 15310), (1531, 10780), (1540, 10717), (2156, 7655), (2695, 6124), (3062, 5390)]