51357960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 167806080

約数和(自身を除く): 116448120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 331, 360, 431, 662, 862, 993, 1293, 1324, 1655, 1724, 1986, 2155, 2586, 2648, 2979, 3310, 3448, 3879, 3972, 4310, 4965, 5172, 5958, 6465, 6620, 7758, 7944, 8620, 9930, 10344, 11916, 12930, 13240, 14895, 15516, 17240, 19395, 19860, 23832, 25860, 29790, 31032, 38790, 39720, 51720, 59580, 77580, 119160, 142661, 155160, 285322, 427983, 570644, 713305, 855966, 1141288, 1283949, 1426610, 1711932, 2139915, 2567898, 2853220, 3423864, 4279830, 5135796, 5706440, 6419745, 8559660, 10271592, 12839490, 17119320, 25678980, 51357960]

約数ペア:

[(1, 51357960), (2, 25678980), (3, 17119320), (4, 12839490), (5, 10271592), (6, 8559660), (8, 6419745), (9, 5706440), (10, 5135796), (12, 4279830), (15, 3423864), (18, 2853220), (20, 2567898), (24, 2139915), (30, 1711932), (36, 1426610), (40, 1283949), (45, 1141288), (60, 855966), (72, 713305), (90, 570644), (120, 427983), (180, 285322), (331, 155160), (360, 142661), (431, 119160), (662, 77580), (862, 59580), (993, 51720), (1293, 39720), (1324, 38790), (1655, 31032), (1724, 29790), (1986, 25860), (2155, 23832), (2586, 19860), (2648, 19395), (2979, 17240), (3310, 15516), (3448, 14895), (3879, 13240), (3972, 12930), (4310, 11916), (4965, 10344), (5172, 9930), (5958, 8620), (6465, 7944), (6620, 7758)]