16444980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 50424192

約数和(自身を除く): 33979212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 887, 927, 1030, 1236, 1545, 1774, 1854, 2060, 2661, 3090, 3548, 3708, 4435, 4635, 5322, 6180, 7983, 8870, 9270, 10644, 13305, 15966, 17740, 18540, 26610, 31932, 39915, 53220, 79830, 91361, 159660, 182722, 274083, 365444, 456805, 548166, 822249, 913610, 1096332, 1370415, 1644498, 1827220, 2740830, 3288996, 4111245, 5481660, 8222490, 16444980]

約数ペア:

[(1, 16444980), (2, 8222490), (3, 5481660), (4, 4111245), (5, 3288996), (6, 2740830), (9, 1827220), (10, 1644498), (12, 1370415), (15, 1096332), (18, 913610), (20, 822249), (30, 548166), (36, 456805), (45, 365444), (60, 274083), (90, 182722), (103, 159660), (180, 91361), (206, 79830), (309, 53220), (412, 39915), (515, 31932), (618, 26610), (887, 18540), (927, 17740), (1030, 15966), (1236, 13305), (1545, 10644), (1774, 9270), (1854, 8870), (2060, 7983), (2661, 6180), (3090, 5322), (3548, 4635), (3708, 4435)]