164220768

素因数分解:

$2^5\times 3^2\times {\mathrm{223}}^1\times {\mathrm{2557}}^1$

素因数の和:2796

約数の個数: 72

約数和(自身を含む): 469280448

約数和(自身を除く): 305059680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 223, 288, 446, 669, 892, 1338, 1784, 2007, 2557, 2676, 3568, 4014, 5114, 5352, 7136, 7671, 8028, 10228, 10704, 15342, 16056, 20456, 21408, 23013, 30684, 32112, 40912, 46026, 61368, 64224, 81824, 92052, 122736, 184104, 245472, 368208, 570211, 736416, 1140422, 1710633, 2280844, 3421266, 4561688, 5131899, 6842532, 9123376, 10263798, 13685064, 18246752, 20527596, 27370128, 41055192, 54740256, 82110384, 164220768]

約数ペア:

[(1, 164220768), (2, 82110384), (3, 54740256), (4, 41055192), (6, 27370128), (8, 20527596), (9, 18246752), (12, 13685064), (16, 10263798), (18, 9123376), (24, 6842532), (32, 5131899), (36, 4561688), (48, 3421266), (72, 2280844), (96, 1710633), (144, 1140422), (223, 736416), (288, 570211), (446, 368208), (669, 245472), (892, 184104), (1338, 122736), (1784, 92052), (2007, 81824), (2557, 64224), (2676, 61368), (3568, 46026), (4014, 40912), (5114, 32112), (5352, 30684), (7136, 23013), (7671, 21408), (8028, 20456), (10228, 16056), (10704, 15342)]