1573156780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{313}}^1\times {\mathrm{1487}}^1$

素因数の和:1835

約数の個数: 72

約数和(自身を含む): 3591145152

約数和(自身を除く): 2017988372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 313, 338, 626, 676, 845, 1252, 1487, 1565, 1690, 2974, 3130, 3380, 4069, 5948, 6260, 7435, 8138, 14870, 16276, 19331, 20345, 29740, 38662, 40690, 52897, 77324, 81380, 96655, 105794, 193310, 211588, 251303, 264485, 386620, 465431, 502606, 528970, 930862, 1005212, 1057940, 1256515, 1861724, 2327155, 2513030, 4654310, 5026060, 6050603, 9308620, 12101206, 24202412, 30253015, 60506030, 78657839, 121012060, 157315678, 314631356, 393289195, 786578390, 1573156780]

約数ペア:

[(1, 1573156780), (2, 786578390), (4, 393289195), (5, 314631356), (10, 157315678), (13, 121012060), (20, 78657839), (26, 60506030), (52, 30253015), (65, 24202412), (130, 12101206), (169, 9308620), (260, 6050603), (313, 5026060), (338, 4654310), (626, 2513030), (676, 2327155), (845, 1861724), (1252, 1256515), (1487, 1057940), (1565, 1005212), (1690, 930862), (2974, 528970), (3130, 502606), (3380, 465431), (4069, 386620), (5948, 264485), (6260, 251303), (7435, 211588), (8138, 193310), (14870, 105794), (16276, 96655), (19331, 81380), (20345, 77324), (29740, 52897), (38662, 40690)]