16413880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 44327520

約数和(自身を除く): 27913640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 122, 124, 140, 155, 217, 244, 248, 280, 305, 310, 427, 434, 488, 610, 620, 854, 868, 961, 1085, 1220, 1240, 1708, 1736, 1891, 1922, 2135, 2170, 2440, 3416, 3782, 3844, 4270, 4340, 4805, 6727, 7564, 7688, 8540, 8680, 9455, 9610, 13237, 13454, 15128, 17080, 18910, 19220, 26474, 26908, 33635, 37820, 38440, 52948, 53816, 58621, 66185, 67270, 75640, 105896, 117242, 132370, 134540, 234484, 264740, 269080, 293105, 410347, 468968, 529480, 586210, 820694, 1172420, 1641388, 2051735, 2344840, 3282776, 4103470, 8206940, 16413880]

約数ペア:

[(1, 16413880), (2, 8206940), (4, 4103470), (5, 3282776), (7, 2344840), (8, 2051735), (10, 1641388), (14, 1172420), (20, 820694), (28, 586210), (31, 529480), (35, 468968), (40, 410347), (56, 293105), (61, 269080), (62, 264740), (70, 234484), (122, 134540), (124, 132370), (140, 117242), (155, 105896), (217, 75640), (244, 67270), (248, 66185), (280, 58621), (305, 53816), (310, 52948), (427, 38440), (434, 37820), (488, 33635), (610, 26908), (620, 26474), (854, 19220), (868, 18910), (961, 17080), (1085, 15128), (1220, 13454), (1240, 13237), (1708, 9610), (1736, 9455), (1891, 8680), (1922, 8540), (2135, 7688), (2170, 7564), (2440, 6727), (3416, 4805), (3782, 4340), (3844, 4270)]