1245806820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{364271}}^1$

素因数の和:364305

約数の個数: 72

約数和(自身を含む): 3977850240

約数和(自身を除く): 2732043420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 364271, 728542, 1092813, 1457084, 1821355, 2185626, 3278439, 3642710, 4371252, 5464065, 6556878, 6921149, 7285420, 10928130, 13113756, 13842298, 16392195, 20763447, 21856260, 27684596, 32784390, 34605745, 41526894, 62290341, 65568780, 69211490, 83053788, 103817235, 124580682, 138422980, 207634470, 249161364, 311451705, 415268940, 622903410, 1245806820]

約数ペア:

[(1, 1245806820), (2, 622903410), (3, 415268940), (4, 311451705), (5, 249161364), (6, 207634470), (9, 138422980), (10, 124580682), (12, 103817235), (15, 83053788), (18, 69211490), (19, 65568780), (20, 62290341), (30, 41526894), (36, 34605745), (38, 32784390), (45, 27684596), (57, 21856260), (60, 20763447), (76, 16392195), (90, 13842298), (95, 13113756), (114, 10928130), (171, 7285420), (180, 6921149), (190, 6556878), (228, 5464065), (285, 4371252), (342, 3642710), (380, 3278439), (570, 2185626), (684, 1821355), (855, 1457084), (1140, 1092813), (1710, 728542), (3420, 364271)]